| Castenaso to Karis | 1,187.85 mi (1,911.65 km) |
| Castenaso to Karkkila | 1,225.01 mi (1,971.46 km) |
| Castenaso to Kauhajoki | 1,310.23 mi (2,108.61 km) |
| Castenaso to Kauhava | 1,363.88 mi (2,194.95 km) |
| Castenaso to Kauniainen | 1,215.78 mi (1,956.60 km) |
| Castenaso to Kemi | 1,547.77 mi (2,490.89 km) |
| Castenaso to Kemijarvi | 1,644.46 mi (2,646.51 km) |
| Castenaso to Kempele | 1,508.90 mi (2,428.35 km) |
| Castenaso to Kerava | 1,233.23 mi (1,984.70 km) |
| Castenaso to Keuruu | 1,336.11 mi (2,150.26 km) |
| Castenaso to Kiiminki | 1,526.03 mi (2,455.91 km) |
| Castenaso to Kirkkonummi | 1,204.10 mi (1,937.82 km) |
| Castenaso to Kitee | 1,427.41 mi (2,297.19 km) |
| Castenaso to Kiuruvesi | 1,449.38 mi (2,332.55 km) |
| Castenaso to Kivisto | 1,224.06 mi (1,969.94 km) |
