| CAE | Columbia Metropolitan Airport |
| CAI | Cairo International Airport |
| CAK | Akron-Canton Regional Airport |
| CAL | Campbeltown Airport |
| CAN | Guangzhou Baiyun International Airport |
| CAX | Carlisle Airport |
| CAY | Cayenne - Rochambeau Airport |
| CBB | Cochabamba-J Wilstermann Airport |
| CBE | Cumberland Regional Airport |
| CBG | Cambridge Airport |
| CBN | Canberra International Airport |
| CCF | Carcassonne Airport |
| CCJ | Calicut Airport |
| CCK | Cocos Islands Airport |
| CCP | Concepcion Airport |
| CCS | Caracas - Simon Bolivar International Airport |
| CCU | Kolkata - Netaji Subhas Chanra Bose Int´l Airport |
| CDG | Paris - Charles De Gaulle Airport |
| CDU | Camden Airport |
| CEG | Chester Airport |
| CEI | Chiang Rai International Airport |
| CEK | Chelyabinsk - Balandino Airport |
| CEN | Ciudad Obregón Airport |
| CEQ | Cannes Airport |
| CER | Cherbourg-Maupertus Aeroport |
| CEZ | Cortez Municipal Airport |
| CFE | Clermont Ferrand Auvergne International Airport |
| CFG | Cienfuegos - Jamie González Int´l Airport |
| CFN | Donegal Int´l Airport |
| CFU | Corfu International Airport I Kapodistrias |
| CGB | Cuiaba - Marechal Rondon Airport |
| CGH | São Paulo - Congonhas Int´l Airport |
| CGK | Jakarta - Soekarno-Hatta International Airport |
| CGN | Cologne/Bonn Airport |
| CGP | Chittagong - Shah Amanat Int´l Airport |
| CGR | Campo Grande International Airport |
| CHA | Chattanooga Metropolitan Airport |
| CHC | Christchurch International Airport Ltd |
| CHN | Cheongju International Airport |
| CHQ | Chania International Airport K Daskalogiannis |
| CHR | Châteauroux/Déols-Marcel Dassault Airport |
| CIA | Rome - Ciampino Airport |
| CID | Eastern Iowa Airport |
| CJB | Coimbatore Airport |
| CJC | Calama Airport - El Loa |
| CJU | Jeju International Airport |
| CKY | Conakry International Airport |
| CLE | Cleveland - Hopkins International Airport |
| CLM | Port Angeles-William R Fairchild Int´l Airport |
| CLO | Cali - Alfonso Bonilla Aragón Airport |
| CLQ | Colima Airport |
| CLT | Charlotte/Douglas Int´l Airport |
| CLX | Lima - Jorge Chavez International Airport |
| CLY | Calvi - Sainte Catherine Aeroport |
| CMB | Bandaranaike Int´l Airport |
| CME | Ciudad del Carmen Airport |
| CMF | Chambery/Aix les Bains Airport |
| CMG | Corumba Airport |
| CMH | Columbus - Port Columbus Int´l Airport |
| CMI | Champaign - Willard Airport |
| CMN | Casablanca - Mohammed V Airport |
| CMR | Colmar-Houssen Airport |
| CMW | Camagüey-Ignacio Agramonte Airport |
| CND | Constanta-Mihail Kogalniceanu Airport |
| CNF | Belo Horizonte - Tancredo Neves Int´l Airport |
| CNS | Cairns International Airport |
| CNX | Chiang Mai Int´l Airport |
| COK | Cochin International Airport |
| COO | Cotonou Cadjehoun Airport |
| COR | Cordoba - Ambrosio L V Taravella Airport |
| COS | Colorado Springs Airport |
| CPE | Campeche - Ingeniero Alberto Acuna Ongay Int´l Airport |
| CPH | openhagen - Kastrup International Airport |
| CPO | Copiapó Aerodrome - Chamonate |
| CPR | Casper/Natrona County Int´l Airport |
| CPT | Cape Town International Airport |
| CRD | Comodoro Rivadavia International Airport |
| CRK | Cork International Airport |
| CRL | Brussels-South Charleroi Airport |
| CRP | Corpus Christi Int´l Airport |
| CRV | Crotone Airport |
| CRW | Charleston-Yeager Airport |
| CTA | Catania-Fontanarossa Airport |
| CTC | Catamarca Airport |
| CTG | Cartagena - Rafael Nunez Airport |
| CTM | Chetumal International Airport |
| CTU | Chengdu/Shuangliu Airport |
| CUF | Cuneo-Levaldigi Airport |
| CUN | Cancun Int´l Airport |
| CUR | Curacao - Hato Airport |
| CVG | Cincinnati/N Kentucky Int´l Airport |
| CVJ | Cuernavaca Airport |
| CVM | Ciudad Victoria Airport |
| CVT | Coventry - West Midlands International Airport |
| CWA | Wausau/Central Wisconsin Regional Airport |
| CWB | Curitiba - Afonso Pena Airport |
| CWL | Cardiff International Airport |
| CYB | Gerrard Smith International Airport |
| CYO | Cayo Largo-Vilo Acuña Int´l Airport |
| CYS | Cheyenne Airport |
| CZL | Constantine Airport |
| CZM | Cozumel Airport |
| CZS | Cruzeiro do Sul Int´l Airport |
