| Koper to Klaukkala | 1,119.17 mi (1,801.13 km) |
| Koper to Kokkola | 1,314.80 mi (2,115.96 km) |
| Koper to Kontiolahti | 1,347.84 mi (2,169.14 km) |
| Koper to Korsholm | 1,252.71 mi (2,016.05 km) |
| Koper to Kotka | 1,162.82 mi (1,871.39 km) |
| Koper to Kouvola | 1,181.73 mi (1,901.82 km) |
| Koper to Kuhmo | 1,419.66 mi (2,284.72 km) |
| Koper to Kuopio | 1,317.42 mi (2,120.19 km) |
| Koper to Kurikka | 1,227.83 mi (1,976.00 km) |
| Koper to Kuusamo | 1,523.32 mi (2,451.55 km) |
| Koper to Kuusankoski | 1,182.64 mi (1,903.28 km) |
| Koper to Lahti | 1,170.31 mi (1,883.43 km) |
| Koper to Laitila | 1,107.59 mi (1,782.50 km) |
| Koper to Lapinlahti | 1,340.99 mi (2,158.12 km) |
| Koper to Lappeenranta | 1,220.69 mi (1,964.51 km) |
