- Chihhang Air BaseIdent: RCQSCountry: Taiwan
- Childress Municipal AirportIdent: KCDSCountry: United States
- Chile Chico AirportIdent: SCCCCountry: Chile
- Chimbu AirportIdent: AYCHCountry: Papua New Guinea
- Chimoio AirportIdent: FQCHCountry: Mozambique
- China Bay AirportIdent: VCCTCountry: Sri Lanka
- China Lake Naws (Armitage Field) AirportIdent: KNIDCountry: United States
- Chinchilla AirportIdent: YCCACountry: Australia
- Chindant Air BaseIdent: RU-0023Country: Russia
- Chios Island National AirportIdent: LGHICountry: Greece
- Chippewa County International AirportIdent: KCIUCountry: United States
- Chippewa Valley Regional AirportIdent: KEAUCountry: United States
- Chitral AirportIdent: OPCHCountry: Pakistan
- Chièvres Air BaseIdent: EBCVCountry: Belgium
- Chkalovskiy Air BaseIdent: UUMUCountry: Russia
- Chofu AirportIdent: RJTFCountry: Japan
- Choibalsan AirportIdent: ZMCDCountry: Mongolia
- Chokurdakh AirportIdent: UESOCountry: Russia
- Chongqing Baishiyi Air BaseIdent: CN-0030Country: China
- Chongqing Xiannüshan AirportIdent: ZUWLCountry: China
- Chris Hadfield AirportIdent: CYZRCountry: Canada
- Christmas Island International AirportIdent: YPXMCountry: Christmas Island
- Chub Cay AirportIdent: MYBCCountry: Bahamas
- Chuguyevka Air BaseIdent: RU-5105Country: Russia
- Chulman AirportIdent: UELLCountry: Russia
- Chumphon AirportIdent: VTSECountry: Thailand
- Churchill AirportIdent: CYYQCountry: Canada
- Châteaudun AirfieldIdent: LFOCCountry: France
- Châteauroux Déols airportIdent: LFLXCountry: France
- Cincinnati Municipal Airport Lunken FieldIdent: KLUKCountry: United States
- City of Derry AirportIdent: EGAECountry: United Kingdom
- Ciudad Acuña International AirportIdent: MMCCCountry: Mexico
- Ciudad del Carmen International AirportIdent: MMCECountry: Mexico
- Ciudad Obregón International AirportIdent: MMCNCountry: Mexico
- Ciudad Real International AirportIdent: LERLCountry: Spain
- Clarence A. Bain AirportIdent: MYABCountry: Bahamas
- Clarence Valley Regional AirportIdent: YGFNCountry: Australia
- Clayton J. Lloyd International AirportIdent: TQPFCountry: Anguilla
- Clear AirportIdent: PACLCountry: United States
- Clermont AirportIdent: YCMTCountry: Australia
- Cleve AirportIdent: YCEECountry: Australia
- Cloncurry AirportIdent: YCCYCountry: Australia
- Clovis Municipal AirportIdent: KCVNCountry: United States
- Coastal Carolina Regional AirportIdent: KEWNCountry: United States
- Coban AirportIdent: MGCBCountry: Guatemala
- Cobar AirportIdent: YCBACountry: Australia
- Cobb County International Airport-McCollum FieldIdent: KRYYCountry: United States
- Cochrane AirportIdent: CYCNCountry: Canada
- Cochrane AirportIdent: SCHRCountry: Chile
- Coen AirportIdent: YCOECountry: Australia
- Coeur D'Alene Airport - Pappy Boyington FieldIdent: KCOECountry: United States
- Coffs Harbour AirportIdent: YCFSCountry: Australia
- Cognac-Châteaubernard (BA 709) Air BaseIdent: LFBGCountry: France
- Cold Bay AirportIdent: PACDCountry: United States
- Coleman A. Young Municipal AirportIdent: KDETCountry: United States
- Colmar Houssen airportIdent: LFGACountry: France
- Colonel Hill AirportIdent: MYCICountry: Bahamas
- Columbia Gorge Regional AirportIdent: KDLSCountry: United States
- Columbia Metropolitan AirportIdent: KCAECountry: United States
- Columbia Regional AirportIdent: KCOUCountry: United States