| Castenaso to Klaukkala | 1,225.69 mi (1,972.55 km) |
| Castenaso to Kokkola | 1,410.96 mi (2,270.73 km) |
| Castenaso to Kontiolahti | 1,457.20 mi (2,345.14 km) |
| Castenaso to Korsholm | 1,347.23 mi (2,168.17 km) |
| Castenaso to Kotka | 1,273.14 mi (2,048.91 km) |
| Castenaso to Kouvola | 1,290.69 mi (2,077.16 km) |
| Castenaso to Kuhmo | 1,525.60 mi (2,455.21 km) |
| Castenaso to Kuopio | 1,423.36 mi (2,290.68 km) |
| Castenaso to Kurikka | 1,324.76 mi (2,132.00 km) |
| Castenaso to Kuusamo | 1,625.04 mi (2,615.25 km) |
| Castenaso to Kuusankoski | 1,291.36 mi (2,078.25 km) |
| Castenaso to Lahti | 1,277.13 mi (2,055.34 km) |
| Castenaso to Laitila | 1,206.35 mi (1,941.43 km) |
| Castenaso to Lapinlahti | 1,445.45 mi (2,326.23 km) |
| Castenaso to Lappeenranta | 1,331.56 mi (2,142.93 km) |
