| CAA | Catacamas | Catacamas | Honduras |
| CAB | Cabinda | Cabinda | Angola |
| CAC | Cascavel | Cascavel | Brazil |
| CAD | Cadillac (MI) | Cadillac | USA |
| CAE | Columbia (SC) | Metropolitan Airport | USA |
| CAF | Carauari | Carauari | Brazil |
| CAG | Cagliari | Elmas | Italy |
| CAH | Ca Mau | Ca Mau | Viet Nam |
| CAI | Cairo | International | Egypt |
| CAJ | Canaima | Canaima | Venezuela |
| CAK | Akron/Canton (OH) | Akron/Canton Regional | USA |
| CAL | Campbeltown | Machrihanish | United Kingdom |
| CAM | Camiri | Camiri | Bolivia |
| CAN | Guangzhou | Baiyun | PR China |
| CAO | Clayton | Clayton | USA (NM) |
| CAP | Cap Haitien | Cap Haitien | Haiti |
| CAQ | Caucasia | Caucasia | Colombia |
| CAR | Caribou (ME) | Municipal | USA |
| CAS | Casablanca | Anfa | Morocco |
| CAT | Cat Island | Cat Island | Bahamas |
| CAU | Caruaru | Caruaru | Brazil |
| CAV | Cazombo | Cazombo | Angola |
| CAW | Campos | Bartolomeu Lisandro | Brazil |
| CAX | Carlisle | Carlisle | United Kingdom |
| CAY | Cayenne | Rochambeau | French Guiana |
| CAZ | Cobar | Cobar | Australia |
| CBA | Corner Bay (AK) | Corner Bay | USA |
| CBB | Cochabamba | J Wilsterman | Bolivia |
| CBC | Cherrabun | Cherrabun | Australia |
| CBD | Car Nicobar | Car Nicobar | India |
| CBE | Cumberland (MD) | Wiley Ford | USA |
| CBF | Council Bluffs IA | Municipal | USA |
| CBG | Cambridge | Cambridge | United Kingdom |
| CBH | Bechar | Leger | Algeria |
| CBI | Cape Barren Island | Cape Barren Island | Australia |
| CBJ | Cabo Rojo | Cabo Rojo | Dominican Republic |
| CBK | Colby (KS) | Municipal | USA |
| CBL | Ciudad Bolivar | Ciudad Bolivar | Venezuela |
| CBM | Columbus (MS) | Columbus AFB | USA |
| CBN | Cirebon | Penggung | Indonesia |
| CBO | Cotabato | Awang | Philippines |
| CBP | Coimbra | Coimbra | Portugal |
| CBQ | Calabar | Calabar | Nigeria |
| CBR | Canberra | Canberra International Airport | Australia |
| CBS | Cabimas | Oro Negro | Venezuela |
| CBT | Catumbela | Catumbela | Angola |
| CBU | Cottbus | Cottbus-Drewitz Airport | Germany |
| CBV | Coban | Coban | Guatemala |
| CBW | Campo Mourao | Campo Mourao | Brazil |
| CBX | Condobolin | Condobolin | Australia |
| CBY | Canobie | Canobie | Australia |
| CBZ | Cabin Creek (AK) | Cabin Creek | USA |
| CCA | Fort Chaffee (AR) | Chaffee AFB | USA |
| CCB | Upland (CA) | Cable | USA |
| CCC | Cayo Coco | Cayo Coco | Cuba |
| CCD | Los Angeles (CA) | Century City | USA |
| CCE | St. Martin | Grand Case | Guadeloupe |
| CCF | Carcassonne | Salvaza | France |
| CCG | Crane (TX) | Crane County Airport | USA |
| CCH | Chile Chico | Chile Chico | Chile |
| CCI | Concordia | Concordia | Brazil |
| CCJ | Kozhikode | Kozhikode | India |
| CCK | Cocos Islands | Cocos Islands | Cocos (Keeling) Islands |
| CCL | Chinchilla | Chinchilla | Australia |
| CCM | Criciuma | Criciuma | Brazil |
| CCN | Chakcharan | Chakcharan | Afghanistan |
| CCO | Carimagua | Carimagua | Colombia |
| CCP | Concepcion | Carriel Sur | Chile |
| CCQ | Cachoeira | Cachoeira | Brazil |
| CCR | Concord (CA) | Buchanan Field | USA |
| CCS | Caracas | Simon Bolivar Airport  |
Venezuela |
| CCT | Colonia Catriel | Colonia Catriel | Argentina |
| CCU | Kolkata (Calcutta) | Netaji Subhas Chandra | India |
| CCV | Craig Cove | Craig Cove | Vanuatu |
| CCW | Cowell | Cowell | Australia |
| CCX | Caceres | Caceres | Brazil |
| CCY | Charles City IA | Municipal | USA |
| CCZ | Chub Cay | Chub Cay | Bahamas |
| CDA | Cooinda | Cooinda | Australia |
| CDB | Cold Bay (AK) | Cold Bay | USA |
| CDC | Cedar City (UT) | Cedar City | USA |
| CDD | Cauquira | Cauquira | Honduras |
| CDE | Caledonia | Caledonia | Panama |
| CDF | Cortina d'Ampezzo | Fiames | Italy |
| CDG | Paris | Charles De Gaulle | France |
| CDH | Camden (AR) | Harrell Fld | USA |
| CDI | Cachoeiro Itapemirim | Cachoeiro Itapemirim | Brazil |
| CDJ | Conceicao Do Araguaia | Conceicao Do Araguaia | Brazil |
| CDK | Cedar Key (FL) | Lewis | USA |
| CDL | Candle (AK) | Candle | USA |
| CDN | Camden (SC) | Woodward Field | USA |
| CDO | Cradock | Cradock | South Africa |
| CDP | Cuddapah | Cuddapah | India |
| CDQ | Croydon | Croydon | Australia |
| CDR | Chadron (NE) | Chadron | USA |
| CDS | Childress (TX) | Childress | USA |
| CDU | Camden | Camden | Australia |
| CDV | Cordova (AK) | Mudhole Smith | USA |
| CDW | Caldwell (NJ) | Caldwell Wright | USA |
| CDY | Cagayan De Sulu | Cagayan De Sulu | Philippines |
| CEA | Wichita (KS) | Cessna Aircraft Field | USA |
| CEB | Cebu | Mactan-Cebu International Airport |
Philippines |
| CEC | Crescent City (CA) | Mc Namara Fld | USA |
| CED | Ceduna | Ceduna | Australia |
| CEE | Cherepovets | Cherepovets | Russia |
| CEF | Chicopee (MA) | Westover Metro Airport | USA |
| CEF | Springfield (MA) | Westover Metro Airport | USA |
| CEG | Chester | Chester | United Kingdom |
| CEH | Chelinda | Chelinda | Malawi |
| CEI | Chiang Rai | Chiang Rai | Thailand |
| CEJ | Chernigov | Chernigov | Ukraine |
| CEK | Chelyabinsk | Chelyabinsk | Russia |
| CEL | Cape Eleuthera | Cape Eleuthera | Bahamas |
| CEM | Central (AK) | Central | USA |
| CEN | Ciudad Obregon | Ciudad Obregon | Mexico |
| CEO | Waco Kungo | Waco Kungo | Angola |
| CEP | Concepción | Concepcion | Bolivia |
| CEQ | Cannes | Cannes – Mandelieu | France |
| CER | Cherbourg | Maupertus | France |
| CES | Cessnock | Cessnock | Australia |
| CET | Cholet | Le Pontreau | France |
| CEU | Clemson (SC) | Oconee County | USA |
| CEV | Connersville (IN) | Mettle Field | USA |
| CEW | Crestview (FL) | Bob Sikes | USA |
| CEX | Chena Hot Springs (AK) | Chena Hot Springs | USA |
| CEY | Murray (KY) | Calloway County | USA |
| CEZ | Cortez (CO) | Montezuma County | USA |
| CFA | Coffee Point (AK) | Coffee Point | USA |
| CFB | Cabo Frio | Cabo Frio | Brazil |
| CFC | Cacador | Cacador | Brazil |
| CFD | Bryan (TX) | Coulter Field | USA |
| CFE | Clermont-Ferrand | Aulnat | France |
| CFF | Cafunfo | Cafunfo | Angola |
| CFG | Cienfuegos | Jaime González Airport | Cuba |
| CFH | Clifton Hills | Clifton Hills | Australia |
| CFI | Camfield | Camfield | Australia |
| CFN | Donegal | Donegal | Ireland |
| CFO | Confreza | Confreza | Brazil |
| CFP | Carpentaria Downs | Carpentaria Downs | Australia |
| CFQ | Creston | Creston | Canada |
| CFR | Caen | Carpiquet | France |
| CFS | Coffs Harbour | Coffs Harbour | Australia |
| CFT | Clifton (AZ) | Morenci | USA |
| CFU | Kerkyra | I. Kapodistrias | Greece |
| CFV | Coffeyville (KS) | Municipal | USA |
| CGA | Craig (AK) | Craig SPB | USA |
| CGB | Cuiaba | Marechal Rondon International Airport | Brazil |
| CGC | Cape Gloucester | Cape Gloucester | Papua New Guinea |
| CGD | Changde | Changde | PR China |
| CGE | Cambridge (MD) | Cambridge | USA |
| CGF | Cleveland (OH) | Cuyahoga County | USA |
| CGG | Casiguran | Casiguran | Philippines |
| CGH | Sao Paulo | Congonhas | Brazil |
| CGI | Cape Girardeau (MO) | Cape Girardeau | USA |
| CGJ | Chingola | Chingola | Zambia |
| CGK | Jakarta | Soekarno-Hatta International | Indonesia |
| CGM | Camiguin | Mambajao | Philippines |
| CGN | Cologne | Cologne/Bonn | Germany |
| CGO | Zhengzhou | Zhengzhou | PR China |
| CGP | Chittagong | Patenga | Bangladesh |
| CGQ | Changchun | Changchun | PR China |
| CGR | Campo Grande | Campo Grande International Airport | Brazil |
| CGS | College Park (MD) | College Park | USA |
| CGT | Chinguitti | Chinguitti | Mauritania |
| CGU | Ciudad Guayana | Ciudad Guayana | Venezuela |
| CGV | Caiguna | Caiguna | Australia |
| CGX | Chicago (IL) | Merrill C Meigs | USA |
| CGY | Cagayan De Oro | Lumbia | Philippines |
| CGZ | Casa Grande (AZ) | Municipal | USA |
| CHA | Chattanooga (TN) | Lovell Field | USA |
| CHB | Chilas | Chilas | Pakistan |
| CHC | Christchurch | International | New Zealand |
| CHD | Chandler (AZ) | Williams AFB | USA |
| CHE | Caherciveen | Reenroe | Ireland |
| CHF | Chinhae | Chinhae | South Korea |
| CHG | Chaoyang | Chaoyang Airport | PR China |
| CHH | Chachapoyas | Chachapoyas | Peru |
| CHI | Chicago (IL) | Chicago FSS | USA |
| CHJ | Chipinge | Chipinge | Zimbabwe |
| CHK | Chickasha (OK) | Municipal | USA |
| CHL | Challis (ID) | Challis | USA |
| CHM | Chimbote | Chimbote | Peru |
| CHN | Chonju | Chonju | South Korea |
| CHO | Charlottesville (VA) | Albemarle | USA |
| CHP | Circle Hot Springs (AK) | Circle Hot Springs | USA |
| CHQ | Chania | Souda | Greece |
| CHR | Chateauroux | Chateauroux | France |
| CHS | Charleston (SC) | AFB Municipal | USA |
| CHT | Chatham Island | Karewa | New Zealand |
| CHU | Chuathbaluk (AK) | Chuathbaluk | USA |
| CHV | Chaves | Chaves | Portugal |
| CHX | Changuinola | Changuinola | Panama |
| CHY | Choiseul Bay | Choiseul Bay | Solomon Islands |
| CHZ | Chiloquin (OR) | State | USA |
| CIA | Rome | Ciampino | Italy |
| CIB | Catalina Island (CA) | Ap In The Sky | USA |
| CIC | Chico (CA) | Chico | USA |
| CID | Cedar Rapids IA | Cedar Rapids | USA |
| CIE | Collie | Collie | Australia |
| CIF | Chifeng | Chifeng | PR China |
| CIG | Craig (CO) | Craig-Moffat | USA |
| CIH | Changzhi | Changzhi | PR China |
| CIJ | Cobija | E. Beltram | Bolivia |
| CIK | Chalkyitsik (AK) | Chalkyitsik | USA |
| CIL | Council (AK) | Melsing Creek | USA |
| CIM | Cimitarra | Cimitarra | Colombia |
| CIN | Carroll IA | Carroll | USA |
| CIO | Concepcion | MCAL Lopez | Paraguay |
| CIP | Chipata | Chipata | Zambia |
| CIQ | Chiquimula | Chiquimula | Guatemala |
| CIR | Cairo (IL) | Cairo | USA |
| CIS | Canton Island | Canton Island | Kiribati |
| CIT | Shimkent | Shimkent | Kazakhstan |
| CIU | Sault Ste Marie (MI) | Chippewa County | USA |
| CIV | Chomley (AK) | Chomley | USA |
| CIW | Canouan Island | Canouan Island | Saint Vincent and the Grenadines |
| CIX | Chiclayo | Cornel Ruiz | Peru |
| CIY | Comiso | Comiso | Italy |
| CIZ | Coari | Coari | Brazil |
| CJA | Cajamarca | Cajamarca | Peru |
| CJB | Coimbatore | Peelamedu | India |
| CJC | Calama | El Loa | Chile |
| CJD | Candilejas | Candilejas | Colombia |
| CJH | Chilko Lake | Chilko Lake | Canada |
| CJJ | Cheong Ju City | Cheong Ju Airport | South Korea |
| CJL | Chitral | Chitral | Pakistan |
| CJM | Chumphon | Chumphon Airport | Thailand |
| CJN | El Cajon (CA) | El Cajon | USA |
| CJS | Ciudad Juarez | International Abraham Gonzalez | Mexico |
| CJT | Comitan | Copalar | Mexico |
| CJU | Cheju | Cheju Airport | South Korea |
| CKA | Cherokee (OK) | Kegelman AF | USA |
| CKB | Clarksburg (WV) | Benedum | USA |
| CKC | Cherkassy | Cherkassy | Ukraine |
| CKD | Crooked Creek (AK) | Crooked Creek | USA |
| CKE | Clear Lake (CA) | Clear Lake | USA |
| CKG | Chongqing | Jiangbei International | PR China |
| CKH | Chokurdah | Chokurdah | Russia |
| CKI | Croker Island | Croker Island | Australia |
| CKK | Cherokee (AR) | Cherokee | USA |
| CKL | Chkalovsky | Chkalovsky | Russia |
| CKM | Clarksdale (MS) | Fletcher Field | USA |
| CKN | Crookston (MN) | Municipal | USA |
| CKO | Cornelio Procopio | Cornelio Procopio | Brazil |
| CKR | Crane Island (WA) | Crane Island | USA |
| CKS | Carajas | Carajas | Brazil |
| CKT | Sarakhs | Sarakhs | Iran |
| CKU | Cordova (AK) | City | USA |
| CKV | Clarksville (TN) | Outlaw Field | USA |
| CKX | Chicken (AK) | Chicken | USA |
| CKY | Conakry | Conakry | Guinea |
| CKZ | Canakkale | Canakkale | Turkey |
| CLA | Comilla | Comilla | Bangladesh |
| CLB | Castlebar | Castlebar | Ireland |
| CLC | Clearlake (TX) | Metroport | USA |
| CLD | Carlsbad (CA) | Carlsbad | USA |
| CLE | Cleveland (OH) | Hopkins International | USA |
| CLG | Coalinga (CA) | Coalinga | USA |
| CLH | Coolah | Coolah | Australia |
| CLI | Clintonville (WI) | Clintonville | USA |
| CLJ | Cluj | Napoca | Romania |
| CLK | Clinton (OK) | Municipal | USA |
| CLL | College Station (TX) | Easterwood Field | USA |
| CLM | Port Angeles (WA) | Fairchild International | USA |
| CLN | Carolina | Carolina | Brazil |
| CLO | Cali | Alfonso B. Aragon | Colombia |
| CLP | Clarks Point (AK) | Clarks Point | USA |
| CLQ | Colima | Colima | Mexico |
| CLR | Calipatria (CA) | Calipatria | USA |
| CLS | Chehalis (WA) | Centralia | USA |
| CLT | Charlotte (NC) | Douglas | USA |
| CLU | Columbus (IN) | Columbus Municipal | USA |
| CLV | Caldas Novas | Caldas Novas | Brazil |
| CLW | Clearwater (FL) | Clearwater Air Park | USA |
| CLX | Clorinda | Clorinda | Argentina |
| CLY | Calvi | Ste Catherine | France |
| CLZ | Calabozo | Calabozo | Venezuela |
| CMA | Cunnamulla | Cunnamulla | Australia |
| CMB | Colombo | Bandaranayake International | Sri Lanka |
| CMC | Camocim | Camocim | Brazil |
| CMD | Cootamundra | Cootamundra | Australia |
| CME | Ciudad Del Carmen | Ciudad Del Carmen | Mexico |
| CMF | Chambery | Chambery | France |
| CMG | Corumba | Internacional | Brazil |
| CMH | Columbus (OH) | Port Columbus International |
USA |
| CMI | Champaign (IL) | Willard University | USA |
| CMJ | Chi Mei | Chi Mei | Taiwan |
| CMK | Club Makokola | Club Makokola | Malawi |
| CML | Camooweal | Camooweal | Australia |
| CMM | Carmelita | Carmelita | Guatemala |
| CMN | Casablanca | Mohamed V | Morocco |
| CMO | Obbia | Obbia | Somalia |
| CMP | Santana Do Araguaia | Campo Alegre | Brazil |
| CMQ | Clermont | Clermont | Australia |
| CMR | Colmar | Colmar-Houssen | France |
| CMS | Scusciuban | Scusciuban | Somalia |
| CMT | Cameta | Cameta | Brazil |
| CMU | Kundiawa | Chimbu | Papua New Guinea |
| CMV | Coromandel | Coromandel | New Zealand |
| CMW | Camaguey | Ign Agramonte International | Cuba |
| CMX | Hancock (MI) | Houghton County | USA |
| CMY | Sparta (WI) | Camp Mccoy AAF | USA |
| CMZ | Caia | Caia | Mozambique |
| CNA | Cananea | Cananea | Mexico |
| CNB | Coonamble | Coonamble | Australia |
| CNC | Coconut Island | Coconut Island | Australia |
| CND | Constanta | Mihail Kogălniceanu | Romania |
| CNE | Canon City (CO) | Canon City | USA |
| CNF | Belo Horizonte | Tancredo Neves International Airport | Brazil |
| CNG | Cognac | Parvaud | France |
| CNH | Claremont (NH) | Municipal | USA |
| CNI | Changhai | Changhai | PR China |
| CNJ | Cloncurry | Cloncurry | Australia |
| CNK | Concordia (KS) | Blosser Municipal | USA |
| CNL | Sindal | Sindal | Denmark |
| CNM | Carlsbad (NM) | Carlsbad | USA |
| CNN | Chulman | Chulman | Russia |
| CNO | Chino (CA) | Chino | USA |
| CNP | Neerlerit Inaat | Neerlerit Inaat | Greenland |
| CNQ | Corrientes | Camba Punta | Argentina |
| CNR | Chanaral | Chanaral | Chile |
| CNS | Cairns | Cairns | Australia |
| CNT | Charata | Charata | Argentina |
| CNU | Chanute (KS) | Martin Johnson | USA |
| CNV | Canavieiras | Canavieiras | Brazil |
| CNW | Waco (TX) | James Connall | USA |
| CNX | Chiang Mai | International | Thailand |
| CNY | Moab (UT) | Canyonlands Field | USA |
| CNZ | Cangamba | Cangamba | Angola |
| COA | Columbia (CA) | Columbia | USA |
| COB | Coolibah | Coolibah | Australia |
| COC | Concordia | Concordia | Argentina |
| COD | Cody/Yellowstone (WY) | Yellowstone Regional Airport | USA |
| COE | Coeur D'Alene (ID) | Coeur D'Alene | USA |
| COF | Cocoa (FL) | Patrick AFB | USA |
| COG | Condoto | Mandinga | Colombia |
| COH | Cooch Behar | Cooch Behar | India |
| COI | Cocoa (FL) | Merritt Island | USA |
| COJ | Coonabarabran | Coonabarabran | Australia |
| COK | Cochin | Cochin | India |
| COL | Coll Island | Coll Island | United Kingdom |
| COM | Coleman (TX) | Coleman | USA |
| CON | Concord (NH) | Concord Municipal Airport | USA |
| COO | Cotonou | Cotonou | Benin |
| COP | Cooperstown (NY) | Cooperstown | USA |
| COQ | Choibalsan | Choibalsan | Mongolia |
| COR | Cordoba | Pajas Blancas | Argentina |
| COS | Colorado Springs (CO) | Peterson Field | USA |
| COT | Cotulla (TX) | Cotulla | USA |
| COU | Columbia (MO) | Columbia Regional | USA |
| COV | Covilha | Covilha | Portugal |
| COW | Coquimbo | Coquimbo | Chile |
| COX | Congo Town | Congo Town | Bahamas |
| COY | Coolawanyah | Coolawanyah | Australia |
| COZ | Constanza | Constanza Airport | Dominican Republic |
| CPA | Cape Palmas | A. Tubman | Liberia |
| CPB | Capurgana | Capurgana | Colombia |
| CPC | San Martin DeLos Andes | Chapelco | Argentina |
| CPD | Coober Pedy | Coober Pedy | Australia |
| CPE | Campeche | Campeche International | Mexico |
| CPF | Cepu | Cepu | Indonesia |
| CPG | Carmen De Patagones | Carmen De Patagones | Argentina |
| CPH | Copenhagen | Copenhagen Airport | Denmark |
| CPI | Cape Orford | Cape Orford | Papua New Guinea |
| CPL | Chaparral | Chaparral | Colombia |
| CPM | Compton (CA) | Compton | USA |
| CPN | Cape Rodney | Cape Rodney | Papua New Guinea |
| CPO | Copiapo | Chamonate | Chile |
| CPQ | Campinas | Campinas International | Brazil |
| CPR | Casper (WY) | Casper | USA |
| CPS | St. Louis (MO) | Bi-State Parks (Downtown Airport) | USA |
| CPT | Cape Town | Cape Town International | South Africa |
| CPU | Cururupu | Cururupu | Brazil |
| CPV | Campina Grande | Joao Suassuna | Brazil |
| CPX | Culebra | Culebra | Puerto Rico |
| CQA | Canarana | Canarana Airport | Brazil |
| CQD | Shahre-Kord | Shahre-Kord | Iran |
| CQF | Calais | Calais | France |
| CQM | Ciudad Real | Ciudad Real International Airport S. L. | Spain |
| CQP | Cape Flattery | Cape Flattery | Australia |
| CQS | Costa Marques | Costa Marques | Brazil |
| CQT | Caquetania | Caquetania | Colombia |
| CRA | Craiova | Craiova | Romania |
| CRB | Collarenebri | Collarenebri | Australia |
| CRC | Cartago | Cartago | Colombia |
| CRD | Comodoro Rivadavia | Comodoro Rivadavia | Argentina |
| CRE | Myrtle Beach (SC) | Grand Strand Airport | USA |
| CRF | Carnot | Carnot | Central African Republic |
| CRG | Jacksonville (FL) | Craig Municipal | USA |
| CRH | Cherribah | Cherribah | Australia |
| CRI | Crooked Island | Crooked Island | Bahamas |
| CRJ | Coorabie | Coorabie | Australia |
| CRK | Luzon Island | Clark Field | Philippines |
| CRL | Brussels | Charleroi | Belgium |
| CRM | Catarman | National | Philippines |
| CRN | Cromarty | Cromarty | United Kingdom |
| CRO | Corcoran (CA) | Corcoran | USA |
| CRP | Corpus Christi (TX) | International | USA |
| CRQ | Caravelas | Caravelas | Brazil |
| CRR | Ceres | Ceres | Argentina |
| CRS | Corsicana (TX) | Corsicana | USA |
| CRT | Crossett (AR) | Municipal | USA |
| CRU | Carriacou Island | Carriacou Island | Grenada |
| CRV | Crotone | Crotone | Italy |
| CRW | Charleston (WV) | Yeager Airport | USA |
| CRX | Corinth (MS) | Roscoe Turner | USA |
| CRY | Carlton Hill | Carlton Hill | Australia |
| CRZ | Turkmenabad | Turkmenabat International Airport | Turkmenistan |
| CSA | Colonsay Island | Colonsay Island | United Kingdom |
| CSB | Caransebes | Caransebes | Romania |
| CSC | Canas | Canas | Costa Rica |
| CSD | Cresswell Downs | Cresswell Downs | Australia |
| CSE | Crested Butte (CO) | Crested Butte | USA |
| CSF | Creil | Creil | France |
| CSI | Casino | Casino | Australia |
| CSJ | Cape St Jacques | Cape St Jacques | Viet Nam |
| CSK | Cap Skirring | Cap Skirring | Senegal |
| CSL | San Luis Obispo (CA) | O'Sullivan AAF | USA |
| CSM | Clinton (OK) | Sherman | USA |
| CSN | Carson City (NV) | Carson City | USA |
| CSO | Magdeburg | Magdeburg-Cochstedt Airport | Germany |
| CSP | Cape Spencer (AK) | Coast Guard Heliport | USA |
| CSQ | Creston (IA) | Municipal | USA |
| CSR | Casuarito | Casuarito | Colombia |
| CSS | Cassilandia | Cassilandia | Brazil |
| CST | Castaway | Castaway | Fiji |
| CSU | Santa Cruz Do Sul | Santa Cruz Do Sul | Brazil |
| CSV | Crossville (TN) | Memorial | USA |
| CSW | Colorado do Oeste | Colorado do Oeste | Brazil |
| CSX | Changsha | Changsha | PR China |
| CSY | Cheboksary | Cheboksary | Russia |
| CSZ | Coronel Suarez | Brigadier Hector Ruiz | Argentina |
| CTA | Catania | Fontanarossa | Italy |
| CTB | Cut Bank (MT) | Cut Bank | USA |
| CTC | Catamarca | Catamarca | Argentina |
| CTD | Chitre | Chitre | Panama |
| CTE | Carti | Carti | Panama |
| CTF | Coatepeque | Coatepeque Airport | Guatemala |
| CTG | Cartagena | Rafael Núñez International Airport | Colombia |
| CTH | Coatesville (PA) | Chestercounty Carlson | USA |
| CTI | Cuito Cuanavale | Cuito Cuanavale | Angola |
| CTK | Canton (SD) | Canton | USA |
| CTL | Charleville | Charleville | Australia |
| CTM | Chetumal | Chetumal | Mexico |
| CTN | Cooktown | Cooktown | Australia |
| CTO | Calverton (NY) | Peconic River | USA |
| CTP | Carutapera | Carutapera | Brazil |
| CTQ | Santa Vitoria | Do Palmar | Brazil |
| CTR | Cattle Creek | Cattle Creek | Australia |
| CTS | Sapporo | New Chitose International Airport | Japan |
| CTT | Le Castellet | Le Castellet | France |
| CTU | Chengdu | Chengdu Shuangliu International Airport | PR China |
| CTW | Cottonwood (AZ) | Cottonwood | USA |
| CTX | Cortland (NY) | Cortland | USA |
| CTY | Cross City (FL) | Cross City | USA |
| CTZ | Clinton (NC) | Sampson County | USA |
| CUA | Ciudad Constitucion | Ciudad Constitucion | Mexico |
| CUB | Columbia (SC) | Owens Field | USA |
| CUC | Cucuta | Camilo Dazo | Colombia |
| CUD | Caloundra | Caloundra | Australia |
| CUE | Cuenca | Cuenca | Ecuador |
| CUF | Cuneo | Levaldigi | Italy |
| CUG | Cudal | Cudal | Australia |
| CUH | Cushing (OK) | Municipal | USA |
| CUI | Currillo | Currillo | Colombia |
| CUJ | Culion | Culion | Philippines |
| CUK | Caye Caulker | Caye Caulker | Belize |
| CUL | Culiacan | Fedl De Bachigualato | Mexico |
| CUM | Cumana | Cumana | Venezuela |
| CUN | Cancun | Cancun International Airport | Mexico |
| CUO | Caruru | Caruru | Colombia |
| CUP | Carupano | Carupano | Venezuela |
| CUQ | Coen | Coen | Australia |
| CUR | Curacao | Aeropuerto Hato | Netherlands Antilles |
| CUS | Columbus (NM) | Municipal | USA |
| CUT | Cutral | Cutral | Argentina |
| CUU | Chihuahua | Gen Fierro Villalobos | Mexico |
| CUV | Casigua | Casigua | Venezuela |
| CUW | Cube Cove (AK) | Cube Cove | USA |
| CUX | Corpus Christi (TX) | Cuddihy Field | USA |
| CUY | Cue | Cue | Australia |
| CUZ | Cuzco | Velazco Astete | Peru |
| CVA | Pittsburgh (PA) | Civic Ar Heli | USA |
| CVB | Chungribu | Chungribu | Papua New Guinea |
| CVC | Cleve | Cleve | Australia |
| CVE | Covenas | Covenas | Colombia |
| CVF | Courchevel | Courchevel | France |
| CVG | Cincinnati (OH) | Cincinnati International | USA |
| CVH | Caviahue | Caviahue | Argentina |
| CVI | Caleta Olivia | Caleta Olivia | Argentina |
| CVJ | Cuernavaca | Cuernavaca | Mexico |
| CVL | Cape Vogel | Cape Vogel | Papua New Guinea |
| CVM | Ciudad Victoria | Ciudad Victoria | Mexico |
| CVN | Clovis (NM) | Municipal | USA |
| CVO | Corvallis (OR) | Albany/Corvallis Airport | USA |
| CVQ | Carnarvon | Carnarvon | Australia |
| CVR | Culver City (CA) | Hughes | USA |
| CVS | Clovis | Cannon AFB | USA (NM) |
| CVT | Coventry | Baginton | United Kingdom |
| CVU | Corvo Island | Corvo Island | Portugal |
| CWA | Wausau (WI) | Central Wisconsin | USA |
| CWB | Curitiba | Afonso Pena International Airport | Brazil |
| CWC | Chernovtsy | Chernovtsy | Ukraine |
| CWG | Callaway Gardens (GA) | Callaway Gardens | USA |
| CWI | Clinton (IA) | Clinton | USA |
| CWL | Cardiff | Cardiff-Wales Airport | United Kingdom |
| CWO | Mineral Wells (TX) | Ft Wolter AAF | USA |
| CWP | Campbellpore | Campbellpore | Pakistan |
| CWR | Cowarie | Cowarie | Australia |
| CWS | Center Island (WA) | Center Island | USA |
| CWT | Cowra | Cowra | Australia |
| CWW | Corowa | Corowa | Australia |
| CXA | Caicara De Oro | Caicara De Oro | Venezuela |
| CXB | Cox's Bazar | Cox's Bazar | Bangladesh |
| CXC | Chitina (AK) | Chitina Airport | USA |
| CXF | Coldfoot (AK) | Coldfoot | USA |
| CXH | Vancouver | Coal Harbour | Canada |
| CXI | Kiritimati (island) | Cassidy International Airport | Kiribati |
| CXJ | Caxias Do Sul | Campo Dos Bugres | Brazil |
| CXL | Calexico (CA) | International | USA |
| CXN | Candala | Candala | Somalia |
| CXO | Conroe (TX) | Montgomery Co | USA |
| CXP | Cilacap | Tunggul Wulung | Indonesia |
| CXQ | Christmas Creek | Christmas Creek | Australia |
| CXT | Charters Towers | Charters Towers | Australia |
| CXY | Cat Cays | Cat Cays | Bahamas |
| CYA | Les Cayes | Les Cayes | Haiti |
| CYB | Cayman Brac Island | Gerrard-Smith | Cayman Islands |
| CYC | Caye Chapel | Caye Chapel | Belize |
| CYE | Crystal Lake (PA) | Crystal Lake | USA |
| CYF | Chefornak (AK) | Chefornak SPB | USA |
| CYG | Corryong | Corryong | Australia |
| CYI | Chiayi | Chiayi | Taiwan |
| CYL | Coyoles | Coyoles | Honduras |
| CYM | Chatham (AK) | Chatham SPB | USA |
| CYO | Cayo Largo Del Sur | Cayo Largo Del Sur | Cuba |
| CYP | Calbayog | Calbayog | Philippines |
| CYR | Colonia | Colonia | Uruguay |
| CYS | Cheyenne (WY) | Cheyenne Regional | USA |
| CYT | Yakataga (AK) | Intermediate | USA |
| CYU | Cuyo | Cuyo | Philippines |
| CYX | Cherskiy | Cherskiy | Russia |
| CYZ | Cauayan | Cauayan | Philippines |
| CZA | Chichen Itza | Chichen Itza | Mexico |
| CZB | Cruz Alta | Carlos Ruhl | Brazil |
| CZC | Copper Centre (AK) | Copper Centre | USA |
| CZE | Coro | Coro | Venezuela |
| CZF | Cape Romanzof (AK) | Cape Romanzof | USA |
| CZH | Corozal | Corozal | Belize |
| CZJ | Corazon De Jesus | Corazon De Jesus | Panama |
| CZK | Cascade Locks (OR) | Cascade Locks/Stevens | USA |
| CZL | Constantine | Ain El Bey | Algeria |
| CZM | Cozumel | Cozumel | Mexico |
| CZN | Chisana | Chisana Field | USA (AK) |
| CZO | Chistochina | Chistochina | USA (AK) |
| CZP | Cape Pole | Cape Pole | USA (AK) |
| CZS | Cruzeiro Do Sul | Campo Internacional | Brazil |
| CZT | Carrizo Springs | Carrizo Springs | USA (TX) |
| CZU | Corozal | Corozal | Colombia |
| CZW | Czestochowa | Czestochowa | Poland |
| CZX | Changzhou | Changzhou | PR China |
| CZY | Cluny | Cluny | Australia |
| CZZ | Campo | Campo | USA (CA) |
Top World Airports Major US Airports Map of Major European Airports Map of Major Canadian and U.S. Airports Map of South Asia's most important airports. Map of Major European Airports Major Airlines of the World The Airlines of the World
IATA,
the International Air Transport Association
