| Castalla to Klaukkala | 1,863.96 mi (2,999.75 km) |
| Castalla to Kokkola | 1,998.85 mi (3,216.84 km) |
| Castalla to Kontiolahti | 2,098.35 mi (3,376.97 km) |
| Castalla to Korsholm | 1,931.65 mi (3,108.70 km) |
| Castalla to Kotka | 1,924.43 mi (3,097.07 km) |
| Castalla to Kouvola | 1,935.93 mi (3,115.58 km) |
| Castalla to Kuhmo | 2,149.95 mi (3,460.01 km) |
| Castalla to Kuopio | 2,051.34 mi (3,301.30 km) |
| Castalla to Kurikka | 1,920.18 mi (3,090.23 km) |
| Castalla to Kuusamo | 2,227.60 mi (3,584.98 km) |
| Castalla to Kuusankoski | 1,935.65 mi (3,115.13 km) |
| Castalla to Lahti | 1,914.41 mi (3,080.95 km) |
| Castalla to Laitila | 1,815.45 mi (2,921.68 km) |
| Castalla to Lapinlahti | 2,066.41 mi (3,325.56 km) |
| Castalla to Lappeenranta | 1,983.05 mi (3,191.40 km) |
