- Kapuskasing AirportIdent: CYYUCountry: Canada
- Kapustin Yar AirfieldIdent: RU-0304Country: Russia
- Karakol International AirportIdent: UAFPCountry: Kyrgyzstan
- Karel Sadsuitubun AirportIdent: WAPFCountry: Indonesia
- Kariba AirportIdent: FVKBCountry: Zimbabwe
- Karl Stefan Memorial AirportIdent: KOFKCountry: United States
- Karlskoga AirportIdent: ESKKCountry: Sweden
- Karlstad AirportIdent: ESOKCountry: Sweden
- Karonga AirportIdent: FWKACountry: Malawi
- Karpathos AirportIdent: LGKPCountry: Greece
- Karratha AirportIdent: YPKACountry: Australia
- Kars AirportIdent: LTCFCountry: Türkiye
- Kasabonika AirportIdent: CYAQCountry: Canada
- Kashan AirportIdent: OIFKCountry: Iran
- Kasiguncu AirportIdent: WAFPCountry: Indonesia
- Kasompe AirportIdent: FLKECountry: Zambia
- Kassala AirportIdent: HSKACountry: Sudan
- Kastamonu AirportIdent: LTALCountry: Türkiye
- Katima Mulilo AirportIdent: FYKMCountry: Namibia
- Kauhajoki AirfieldIdent: EFKJCountry: Finland
- Kauhava AirfieldIdent: EFKACountry: Finland
- Kaukura AirportIdent: NTGKCountry: French Polynesia
- Kavieng AirportIdent: AYKVCountry: Papua New Guinea
- Kawama AirportIdent: MUKWCountry: Cuba
- Kawthoung AirportIdent: VYKTCountry: Myanmar (Burma)
- Kayes Dag Dag AirportIdent: GAKYCountry: Mali
- Kazi Nazrul Islam AirportIdent: VEDGCountry: India
- Kearney Regional AirportIdent: KEARCountry: United States
- Kebri Dahar AirportIdent: HAKDCountry: Ethiopia
- Kecskemét Air BaseIdent: LHKECountry: Hungary
- Keesler Air Force BaseIdent: KBIXCountry: United States
- Keetmanshoop AirportIdent: FYKTCountry: Namibia
- Kelsey AirportIdent: CZEECountry: Canada
- Kemi-Tornio AirportIdent: EFKECountry: Finland
- Kempen Airport BudelIdent: EHBDCountry: Netherlands
- Kempsey AirportIdent: YKMPCountry: Australia
- Ken Jones AirportIdent: MKKJCountry: Jamaica
- Kenai Municipal AirportIdent: PAENCountry: United States
- Kenema AirportIdent: GFKECountry: Sierra Leone
- Kengtung AirportIdent: VYKGCountry: Myanmar (Burma)
- Kenitra Air BaseIdent: GMMYCountry: Morocco
- Kenora AirportIdent: CYQKCountry: Canada
- Kenosha Regional AirportIdent: KENWCountry: United States
- Keperveem AirportIdent: UHMKCountry: Russia
- Kerang AirportIdent: YKERCountry: Australia
- Kerema AirportIdent: AYKMCountry: Papua New Guinea
- Kerikeri AirportIdent: NZKKCountry: New Zealand
- Kerry AirportIdent: EIKYCountry: Ireland
- Kertajati International AirportIdent: WICACountry: Indonesia
- Kerteh AirportIdent: WMKECountry: Malaysia
- Keshod AirportIdent: VAKSCountry: India
- Ketchikan International AirportIdent: PAKTCountry: United States
- Key Field / Meridian Regional AirportIdent: KMEICountry: United States
- Key Lake AirportIdent: CYKJCountry: Canada
- Key West International AirportIdent: KEYWCountry: United States
- Keşan Air BaseIdent: TR-0028Country: Türkiye
- Khabarovsk Novy AirportIdent: UHHHCountry: Russia
- Khajuraho AirportIdent: VAKJCountry: India
- Khalkhalah Air BaseIdent: OS69Country: Syria
- Khankala Air BaseIdent: XRMUCountry: Russia