- Baringo County 3
- Bomet County 3
- Bungoma County 2
- Busia County 1
- Elgeyo-Marakwet County 1
- Embu County 9
- Garissa County 7
- Homa Bay County 3
- Isiolo County 7
- Kajiado County 18
- Kakamega County 3
- Kericho County 4
- Kiambu County 1
- Kilifi County 11
- Kirinyaga County 1
- Kisii County 1
- Kisumu County 1
- Kitui County 4
- Kwale County 5
- Laikipia County 32
- Lamu County 8
- Machakos County 3
- Makueni County 8
- Mandera County 6
- Marsabit County 22
- Meru County 18
- Migori County 1
- Mombasa County 8
- Nairobi City County 5
- Nakuru County 52
- Nandi County 3
- Narok County 26
- Nyandarua County 2
- Nyeri County 10
- Samburu County 22
- Taita-Taveta County 25
- Tana River County 8
- Trans-Nzoia County 2
- Turkana County 22
- Uasin Gishu County 5
- Wajir County 4
- West Pokot County 4
Airports by region in Kenya