| Castalla to Karis | 1,822.01 mi (2,932.24 km) |
| Castalla to Karkkila | 1,857.76 mi (2,989.77 km) |
| Castalla to Kauhajoki | 1,905.93 mi (3,067.30 km) |
| Castalla to Kauhava | 1,959.14 mi (3,152.93 km) |
| Castalla to Kauniainen | 1,855.88 mi (2,986.75 km) |
| Castalla to Kemi | 2,125.83 mi (3,421.19 km) |
| Castalla to Kemijarvi | 2,229.67 mi (3,588.31 km) |
| Castalla to Kempele | 2,101.55 mi (3,382.12 km) |
| Castalla to Kerava | 1,873.68 mi (3,015.40 km) |
| Castalla to Keuruu | 1,952.46 mi (3,142.19 km) |
| Castalla to Kiiminki | 2,118.02 mi (3,408.62 km) |
| Castalla to Kirkkonummi | 1,843.18 mi (2,966.31 km) |
| Castalla to Kitee | 2,077.40 mi (3,343.26 km) |
| Castalla to Kiuruvesi | 2,062.60 mi (3,319.43 km) |
| Castalla to Kivisto | 1,863.68 mi (2,999.30 km) |
