| Castel San Giovanni to Klaukkala | 1,231.42 mi (1,981.77 km) |
| Castel San Giovanni to Kokkola | 1,402.91 mi (2,257.77 km) |
| Castel San Giovanni to Kontiolahti | 1,465.44 mi (2,358.40 km) |
| Castel San Giovanni to Korsholm | 1,337.69 mi (2,152.80 km) |
| Castel San Giovanni to Kotka | 1,283.69 mi (2,065.90 km) |
| Castel San Giovanni to Kouvola | 1,299.26 mi (2,090.95 km) |
| Castel San Giovanni to Kuhmo | 1,528.90 mi (2,460.53 km) |
| Castel San Giovanni to Kuopio | 1,427.16 mi (2,296.79 km) |
| Castel San Giovanni to Kurikka | 1,318.09 mi (2,121.26 km) |
| Castel San Giovanni to Kuusamo | 1,622.55 mi (2,611.24 km) |
| Castel San Giovanni to Kuusankoski | 1,299.61 mi (2,091.52 km) |
| Castel San Giovanni to Lahti | 1,282.92 mi (2,064.66 km) |
| Castel San Giovanni to Laitila | 1,202.61 mi (1,935.42 km) |
| Castel San Giovanni to Lapinlahti | 1,447.22 mi (2,329.07 km) |
| Castel San Giovanni to Lappeenranta | 1,342.56 mi (2,160.64 km) |
