| Koper to Imatra | 1,238.58 mi (1,993.31 km) |
| Koper to Jakobstad | 1,299.21 mi (2,090.87 km) |
| Koper to Jamsa | 1,216.55 mi (1,957.85 km) |
| Koper to Janakkala | 1,150.17 mi (1,851.02 km) |
| Koper to Jarvenpaa | 1,130.45 mi (1,819.29 km) |
| Koper to Joensuu | 1,336.63 mi (2,151.10 km) |
| Koper to Joutseno | 1,230.02 mi (1,979.53 km) |
| Koper to Jyvaskyla | 1,247.89 mi (2,008.29 km) |
| Koper to Jyvaskylan Maalaiskunta | 1,250.77 mi (2,012.93 km) |
| Koper to Kaarina | 1,084.93 mi (1,746.02 km) |
| Koper to Kajaani | 1,398.00 mi (2,249.87 km) |
| Koper to Kalajoki | 1,351.41 mi (2,174.89 km) |
| Koper to Kangasala | 1,175.32 mi (1,891.49 km) |
| Koper to Kankaanpaa | 1,175.04 mi (1,891.04 km) |
| Koper to Karhula | 1,165.52 mi (1,875.72 km) |
