- Clarksville Municipal AirportIdent: KH35Country: United States
- Clarksville Red River City-J D Trissell FieldIdent: KLBRCountry: United States
- Clarksville–Montgomery County Regional AirportIdent: KCKVCountry: United States
- Classic AirstripIdent: 23ARCountry: United States
- Classic Landings AirportIdent: 05ILCountry: United States
- Claucherty AirportIdent: MI35Country: United States
- Claxton Evans County AirportIdent: KCWVCountry: United States
- Clay AirportIdent: MS50Country: United States
- Clay Center Municipal AirportIdent: KCYWCountry: United States
- Clayton Lake StripIdent: ME19Country: United States
- Clayton Municipal AirparkIdent: KCAOCountry: United States
- Clayton Municipal AirportIdent: K11ACountry: United States
- Cle Elum Municipal AirportIdent: S93Country: United States
- Clear Creek AirportIdent: 2AK2Country: United States
- Clear Lake Municipal AirportIdent: 5H3Country: United States
- Clear Sky Ag AirportIdent: US-8149Country: United States
- Clearfield Lawrence AirportIdent: KFIGCountry: United States
- Clearview AirparkIdent: 2W2Country: United States
- Clearwater Aero Estates AirportIdent: JB01Country: United States
- Clearwater Air ParkIdent: KCLWCountry: United States
- Clearwater AirparkIdent: 21OICountry: United States
- Clearwater AirportIdent: CDJ4Country: Canada
- Clearwater River AirportIdent: CFS8Country: Canada
- Cleburne Regional AirportIdent: KCPTCountry: United States
- Clemens AirportIdent: US-1972Country: United States
- Clemente Verillo AirportIdent: SJEHCountry: Brazil
- Clements AirportIdent: 4MD4Country: United States
- Clermont County AirportIdent: KI69Country: United States
- Cleveland Municipal AirportIdent: K95FCountry: United States
- Cleveland Municipal AirportIdent: KRNVCountry: United States
- Cleveland Regional JetportIdent: KRZRCountry: United States
- Cliff Dow AirportIdent: 54MECountry: United States
- Cliff Dwellers Lodge AirportIdent: AZ03Country: United States
- Cliff Hatfield Memorial AirportIdent: KCLRCountry: United States
- Clifford FieldIdent: 1CO4Country: United States
- Cliffords AirportIdent: ME69Country: United States
- Clifton AirportIdent: YCFNCountry: Australia
- Clifton Hills AirportIdent: YCFHCountry: Australia
- Clinceni AirfieldIdent: LRCNCountry: Romania
- Cline Falls Air ParkIdent: 3OR8Country: United States
- Clinton County AirportIdent: KI66Country: United States
- Clinton Memorial AirportIdent: KGLYCountry: United States
- Clinton Municipal AirportIdent: KCCACountry: United States
- Clinton Municipal AirportIdent: KCWICountry: United States
- Clinton Regional AirportIdent: KCLKCountry: United States
- Clinton Sherman AirportIdent: KCSMCountry: United States
- Clinton-Hickman County AirportIdent: 0KY7Country: United States
- Clintonville Municipal AirportIdent: KCLICountry: United States
- Clio Crop Care AirportIdent: 9W9Country: United States
- Clonbullogue AerodromeIdent: EICLCountry: Ireland
- Cloquet Carlton County AirportIdent: KCOQCountry: United States
- Cloud 9 AerodromeIdent: 40TNCountry: United States
- Cloud 9 AirportIdent: 2ND5Country: United States
- Cloud AirportIdent: 7KS2Country: United States
- Cloud Dancer Private AirportIdent: WS13Country: United States
- Cloud Nine AirportIdent: ND98Country: United States
- Cloud Nine West AirportIdent: 46MICountry: United States
- Cloudmont AirparkIdent: AL09Country: United States
- Clover Fields AirportIdent: OA19Country: United States
- Clover Knoll AirportIdent: II07Country: United States