| Castano Primo to Klaukkala | 1,214.57 mi (1,954.67 km) |
| Castano Primo to Kokkola | 1,380.13 mi (2,221.11 km) |
| Castano Primo to Kontiolahti | 1,449.20 mi (2,332.26 km) |
| Castano Primo to Korsholm | 1,314.44 mi (2,115.38 km) |
| Castano Primo to Kotka | 1,268.77 mi (2,041.89 km) |
| Castano Primo to Kouvola | 1,283.46 mi (2,065.53 km) |
| Castano Primo to Kuhmo | 1,510.51 mi (2,430.93 km) |
| Castano Primo to Kuopio | 1,409.13 mi (2,267.77 km) |
| Castano Primo to Kurikka | 1,296.01 mi (2,085.73 km) |
| Castano Primo to Kuusamo | 1,601.67 mi (2,577.64 km) |
| Castano Primo to Kuusankoski | 1,283.68 mi (2,065.88 km) |
| Castano Primo to Lahti | 1,265.99 mi (2,037.41 km) |
| Castano Primo to Laitila | 1,181.95 mi (1,902.16 km) |
| Castano Primo to Lapinlahti | 1,428.32 mi (2,298.66 km) |
| Castano Primo to Lappeenranta | 1,327.70 mi (2,136.73 km) |
