| XRY | LEJR | Cadiz Airport see Jerez Airport, Spain |
| CAG | LIEE | Cagliari/Elmas Mario Mameli Airport, Italy |
| CNS | YBCS | Cairns International Airport, Australia |
| CAI | HECA | Cairo International Airport, Egypt |
| NCH | WPEC | Cakung see Baucau - Cakung Airport, East Timor |
| CJC | SCCF | Calama Airport - El Loa, Chile |
| CCU | VECC | Calcutta see Kolkata - Netaji Subhas Chanra Bose Int´l Airport, India |
| YYC | CYYC | Calgary International Airport, Canada |
| CLO | SKCL | Cali - Alfonso Bonilla Aragón Airport, Colombia |
| CCJ | VOCL | Calicut International Airport, India |
| CLX | SPIM | Callao Airport see Lima - Jorge Chavez International Airport, Peru |
| CLY | LFKC | Calvi - Sainte Catherine Aeroport, France |
| | VVCR | Cam Ranh Airport, Vietnam |
| CMW | MUCM | Camagüey-Ignacio Agramonte Airport, Carib,Cuba |
| FNI | LFTW | Camargue Airport see Nimes/Arles/Camargue Aeroport, France |
| JST | KJST | Cambria County see Johnstown - Cambria County Airport, United States |
| CBG | EGSC | Cambridge Airport, United Kingdom |
| CDU | YSCN | Camden Airport, Australia |
| CAL | EGEC | Campbeltown Airport, United Kingdom |
| CPE | MMCP | Campeche - Ingeniero Alberto Acuna Ongay Int´l Airport, Mexico |
| VCP | SBKP | Campinas see São Paulo - Viracopos Airport, Brazil |
| AJA | LFKJ | Campo Dell´Oro Airport see Ajaccio - Campo Dell´Oro Airport, France |
| MCZ | SBMO | Campo dos Palmares see Maceio - Zumbi dos Palmares Airport, Brazil |
| CGR | SBCG | Campo Grande International Airport, Brazil |
| ZOS | SCJO | Cañal Bajo see Osorno Aerodrome - Cañal Bajo, Chile |
| CBN | YSCB | Canberra International Airport, Australia |
| CUN | MMUN | Cancun Int´l Airport, Mexico |
| DCF | TDCF | Canefield Airport, Carib,Dominica |
| CEQ | LFMD | Cannes Airport, France |
| CAK | KCAK | Canton Airport see Akron-Canton Regional Airport, United States |
| | | Cap Haitien International Airport, Carib,Haiti |
| CPT | FACT | Cape Town International Airport, South Africa |
| LAN | KLAN | Capital City Airport see Lansing - Capital City Airport, United States |
| TJA | SLTJ | Capitan Oriel Lea Plaza see Tarija - Capitan Oriel Lea Plaza Airport, Bolivia |
| NAP | LIRN | Capodichino Airport see Naples International Airport, Italy |
| TYL | SPYL | Captain Montes Airport see Talara-Capitan Montes Airport, Peru |
| MQV | SVMI | Caracas - Simon Bolivar International Airport, Venezuela |
| CCF | LFMK | Carcassonne Airport, France |
| CWL | EGFF | Cardiff International Airport, United Kingdom |
| CAX | EGNC | Carlisle Airport, United Kingdom |
| MUD | SUMU | Carrasco Airport see Montevideo - Carrasco International Airport, Uruguay |
| CTG | SKCG | Cartagena - Rafael Nunez Airport, Colombia |
| TUN | DTTA | Carthage see Tunis - Carthage International Airport, Tunisia |
| CMN | GMMN | Casablanca - Mohammed V Airport, Morocco |
| CPR | KCPR | Casper/Natrona County Int´l Airport, United States |
| DCM | LFCK | Castres - Mazamet Airport, France |
| SLU | TLPC | Castries - George FL Charles Airport, Carib,St Lucia |
| CTC | SANC | Catamarca Airport, Argentina |
| CTA | LICC | Catania-Fontanarossa Airport, Italy |
| IGR | SARI | Cataratas del Iguazu see Iguazu International Airport, Argentina |
| IGU | SBFI | Cataratas Int´l Airport see Foz do Iguaçu - Cataratas Int´l Airport, Brazil |
| AVN | LFMV | Caumont Airport see Avignon/Caumont Airport, France |
| CAY | SOCA | Cayenne - Rochambeau Airport, French Guiana |
| CYO | MUCL | Cayo Largo-Vilo Acuña Int´l Airport, Carib,Cuba |
| CDG | LFPG | CDG Airport see Paris - Charles De Gaulle Airport, France |
| CID | KCID | Cedar Rapids Airport see Eastern Iowa Airport, United States |
| NGO | RJNN | Centrair see Nagoya - Centrair, Japan |
| CWA | KAUW | Central Wisconsin Regional Airport see Wausau - Central Wisconsin Regional Airport, United States |
| ANF | SCFA | Cerro Moreno see Antofagasta Airport- Cerro Moreno, Chile |
| VAF | LFLU | Chabeuil Airport see Valence/Chabeuil Airport, France |
| ARI | SCAR | Chacalluta Airport see Arica - Chacalluta Airport, Chile |
| CMF | LFLB | Chambery/Aix les Bains Airport, France |
| ANG | LFBU | Chamniers Airport see Angoulême - Brie-Champniers Airport, France |
| CPO | SCHA | Chamonate see Copiapó Aerodrome - Chamonate, Chile |
| RHE | LFSR | Champagne Airport see Reims/Champagne Aeroport, France |
| CMI | KCMI | Champaign - Willard Airport, United States |
| CGQ | ZYCC | Changchun Longjia International Airport, China PRC |
| SIN | WSSS | Changi Airport see Singapore - Changi Airport, Singapore |
| CSX | ZGHA | Changsha Huanghua International Airport, China PRC |
| CHQ | LGSA | Chania International Airport K Daskalogiannis, Greece |
| ACI | EGJA | Channel Islands - Alderney Airport, United Kingdom |
| GCI | EGJB | Channel Islands - Guernsey Airport, United Kingdom |
| JER | EGJJ | Channel Islands - Jersey Airport, United Kingdom |
| CRL | EBCI | Charleroi Airport see Brussels-South Charleroi Airport, Belgium |
| MKC | KMKC | Charles B Wheeler see Kansas City - Charles B Wheeler Downtown Airport, United States |
| CDG | LFPG | Charles De Gaulle Airport see Paris - Charles De Gaulle Airport, France |
| CHS | KCHS | Charleston International Airport, United States |
| CRW | KCRW | Charleston - Yeager Airport, United States |
| CLT | KCLT | Charlotte - Douglas Int´l Airport, United States |
| YYG | CYYG | Charlottetown Airport, Canada |
| VHY | LFLV | Charmeil Airport see Vichy/Charmeil Aeroport, France |
| CHR | LFLX | Châteauroux/Déols-Marcel Dassault Airport, France |
| CHA | KCHA | Chattanooga Metropolitan Airport, United States |
| HKG | VHHH | Chek Lap Kok see Hong Kong International Airport (HKG), Hong Kong |
| CEK | USCC | Chelyabinsk - Balandino Airport, Russia |
| CTU | ZUUU | Chengdu Shuangliu International Airport, China PRC |
| MAA | VOMM | Chennai/Madras - Meenambakam Airport, India |
| CHN | RKTU | Cheongju International Airport, South Korea |
| CER | LFRC | Cherbourg-Maupertus Aeroport, France |
| CWC | UKLN | Chernivtsi International Airport, Ukraine |
| CEG | EGNR | Chester Airport, United Kingdom |
| CTM | MMCM | Chetumal International Airport, Mexico |
| CYS | KCYS | Cheyenne Airport, United States |
| BOM | VABB | Chhatarpati Shivaji see Mumbai/Bombay - Chhatarpati Shivaji International Airport, India |
| TPE | RCTP | Chiang Kai Shek see Taipei - Chiang Kai Shek International Airport, Taiwan ROC |
| CNX | VTCC | Chiang Mai Int´l Airport, Thailand |
| CEI | VTCR | Chiang Rai International Airport, Thailand |
| GYY | KGYY | Chicago - Gary/Chicago International Airport, United States |
| MDW | KMDW | Chicago Midway Airport, United States |
| ORD | KCHI | Chicago - O´Hare Airport, United States |
| CUU | MMCU | Chihuahua - General Fierro Villalobos Airport, Mexico |
| BLZ | FWCL | Chileka Airport see Blantyre-Chileka Airport, Malawi |
| MAR | SVMC | Chinita Airport see Maracaibo-La Chinita Airport, Venezuela |
| KIV | LUKK | Chisinau International Airport, Moldova |
| HTA | UIAA | Chita Airport, Russia |
| CTS | RJCJ | Chitose - New Chitose Airport, Japan |
| CGP | VGEG | Chittagong - Shah Amanat Int´l Airport, Bangladesh |
| CKG | JUCK | Chongqing Jiangbei International Airport, China PRC |
| CHC | NZCH | Christchurch International Airport Ltd, New Zealand |
| NGO | RJNN | Chubu International Airport see Nagoya - Centrair, Japan |
| | PTKK | Chuuk International Airport, Pac.Is, Micronesia |
| CIA | LIRA | Ciampino Airport see Rome - Ciampino Airport, Italy |
| AVI | MUCA | Ciego de Avila-Maximo Gomez Int´l Airport, Carib,Cuba |
| CFG | MUCF | Cienfuegos - Jamie González Int´l Airport, Carib,Cuba |
| CVG | KCVG | Cincinnati/N Kentucky Int´l Airport, United States |
| LDY | EGAE | City of Derry - Londonderry Airport, United Kingdom |
| YLW | CYLW | City of Kelowna see Kelowna International Airport, Canada |
| YYB | CYYB | City of North Bay see North Bay Jack Garland Airport, Canada |
| AGT | SGES | Ciudad del Este - Guarani International Airport, Paraguay |
| CME | MMCE | Ciudad del Carmen Airport, Mexico |
| CEN | MMCN | Ciudad Obregón Airport, Mexico |
| | LEDQ | Ciudad Real - Aeropuerto Central, Spain |
| CVM | MMCV | Ciudad Victoria Airport, Mexico |
| TPE | RCTP | CKS see Taipei - Chiang Kai Shek International Airport, Taiwan ROC |
| PIE | KPIE | Clearwater Int´l Airport see St Petersburg-Clearwater Int´l Airport, United States |
| CFE | LFLC | Clermont Ferrand Auvergne International Airport, France |
| CLE | KCLE | Cleveland - Hopkins International Airport, United States |
| CBB | SLCB | Cochabamba - Jorge Wilstermann Airport, Bolivia |
| COK | VOCI | Cochin International Airport, India |
| CCK | YPCC | Cocos Islands Airport, Australia |
| CJB | VOCB | Coimbatore Airport, India |
| CLQ | MMIA | Colima Airport, Mexico |
| CMR | LFGA | Colmar-Houssen Airport, France |
| CGN | EDDK | Cologne/Bonn Airport, Germany |
| CMB | VCBI | Colombo Airport see Bandaranaike Int´l Airport, Sri Lanka |
| COS | KCOS | Colorado Springs Airport, United States |
| CAE | KCAE | Columbia Metropolitan Airport, United States |
| GTR | KCUS | Columbus - Golden Triangle Regional Airport, United States |
| CMH | KCMH | Columbus - Port Columbus Int´l Airport, United States |
| YBC | CYBC | Comeau Airport see Baie Comeau Airport, Canada |
| CRD | SAVC | Comodoro Rivadavia International Airport, Argentina |
| CKY | GUCY | Conakry International Airport, Guinea |
| CCP | SCIE | Concepcion Airport, Chile |
| CGH | SBSP | Congonhas Airport see São Paulo - Congonhas Int´l Airport, Brazil |
| CND | LRCK | Constanta - Mihail Kogalniceanu Airport, Romania |
| CZL | DABC | Constantine Airport, Algeria |
| AIT | NCAI | Cook Is - Aitutaki Airport, Pac.Is, Cook Islands |
| RAR | NCRG | Cook Is - Rarotonga Airport, Pac.Is, Cook Islands |
| OOL | YBCG | Coolangatta - Gold Coast Airport, Australia |
| SJF | TAPA | Coolidge Int´l Airport see Antigua V C Bird International Airport, Carib,Antigua & Barbuda |
| CPH | EKCH | Copenhagen - Kastrup International Airport, Denmark |
| RKE | EKRK | Copenhagen - Roskilde Airport, Denmark |
| CPO | SCHA | Copiapó Aerodrome - Chamonate, Chile |
| MDE | SKRG | J M Cordoba Airport see Medellin - Jose Maria Cordova Airport, Colombia |
| ODB | LEBA | Cordoba Airport, Spain |
| COR | SACO | Cordoba - Ambrosio L V Taravella Airport, Argentina |
| CFU | LGKR | Corfu International Airport I Kapodistrias, Greece |
| ELM | KELM | Coring Regional Airport see Elmira/Coring Regional Airport, United States |
| CRK | EICK | Cork International Airport, Ireland |
| POX | LFPT | Cormeilles see Paris - Pontoise Airport, France |
| UIP | LFRQ | Cornouaille Airport see Quimper - Pluguffan Airport, France |
| CRP | KCRP | Corpus Christi Int´l Airport, United States |
| CEZ | KCEZ | Cortez Municipal Airport, United States |
| BAQ | SKBQ | E Cortissoz Airport see Barranquilla - Aeropuerto Int´l Ernesto Cortissoz, Colombia |
| CMG | SBCR | Corumba Airport, Brazil |
| GRO | LEGE | Costa Brava Airport see Girona - Costa Brava Airport, Spain |
| OLB | LIEO | Costa Smerelda see Olbia-Costa Smerelda Airport, Italy |
| NCE | LFMN | Côte D´Azur Airport see Nice/Cote D´Azur Airport, France |
| COO | DBBB | Cotonou Cadjehoun Airport, Benin |
| CVT | EGBE | Coventry - West Midlands International Airport, United Kingdom |
| CZM | MMCZ | Cozumel Airport, Mexico |
| GOA | LIMJ | Cristoforo Colombo see Genova Airport, Italy |
| CRV | LIBC | Crotone Airport, Italy |
| TAB | TTCP | Crown Point Airport, Carib,Trinidad & Tobago |
| CZS | SBCZ | Cruzeiro do Sul Int´l Airport, Brazil |
| MCV | LECU | Cuatro Vientos Airport see Madrid - Cuatro Vientos Airport, Spain |
| CVJ | MMCB | Cuernavaca Airport, Mexico |
| | GGCF | Cufar Airport, Guinea Bissau |
| CGB | SBCY | Cuiaba - Marechal Rondon International Airport, Brazil |
| CBE | KCBE | Cumberland Regional Airport, United States |
| CUF | LIMZ | Cuneo-Levaldigi Airport, Italy |
| CUR | TNCC | Curacao - Hato Airport, Carib,Neth. Antilles |
| CWB | SBCT | Curitiba - Afonso Pena Airport, Brazil |
| FCN | ETMN | Cuxhaven/Nordholz Sea Airport, Germany |
| CUZ | SPZO | Cuzco Velasco Astete Airport, Peru |
| STT | TIST | Cyril E King Airport see Saint Thomas - Cyril E King Airport, Carib,Virgin Is (USA) |
| LTQ | LFAT | Côte d´Opale Airport see Le Touquet-Côte d´Opale Airport, France |
