| Donegal to Imatra | 1,404.47 mi (2,260.28 km) |
| Donegal to Jakobstad | 1,238.80 mi (1,993.66 km) |
| Donegal to Jamsa | 1,290.75 mi (2,077.25 km) |
| Donegal to Janakkala | 1,265.92 mi (2,037.31 km) |
| Donegal to Jarvenpaa | 1,278.50 mi (2,057.55 km) |
| Donegal to Joensuu | 1,442.32 mi (2,321.19 km) |
| Donegal to Joutseno | 1,395.49 mi (2,245.82 km) |
| Donegal to Jyvaskyla | 1,312.16 mi (2,111.71 km) |
| Donegal to Jyvaskylan Maalaiskunta | 1,312.61 mi (2,112.45 km) |
| Donegal to Kaarina | 1,185.50 mi (1,907.88 km) |
| Donegal to Kajaani | 1,395.96 mi (2,246.58 km) |
| Donegal to Kalajoki | 1,286.58 mi (2,070.54 km) |
| Donegal to Kangasala | 1,250.75 mi (2,012.89 km) |
| Donegal to Kankaanpaa | 1,200.36 mi (1,931.80 km) |
| Donegal to Karhula | 1,341.30 mi (2,158.61 km) |
