| Donegal to Jicin | 1,022.49 mi (1,645.54 km) |
| Donegal to Jihlava | 1,064.77 mi (1,713.58 km) |
| Donegal to Jindrichuv Hradec | 1,050.42 mi (1,690.49 km) |
| Donegal to Jirkov | 945.20 mi (1,521.15 km) |
| Donegal to Kadan | 942.02 mi (1,516.04 km) |
| Donegal to Karlovy Vary | 930.86 mi (1,498.08 km) |
| Donegal to Karvina | 1,167.04 mi (1,878.18 km) |
| Donegal to Kladno | 981.73 mi (1,579.95 km) |
| Donegal to Klasterec nad Ohri | 937.82 mi (1,509.27 km) |
| Donegal to Klatovy | 975.05 mi (1,569.19 km) |
| Donegal to Kolin | 1,029.02 mi (1,656.05 km) |
| Donegal to Koprivnice | 1,159.25 mi (1,865.64 km) |
| Donegal to Kralupy nad Vltavou | 987.25 mi (1,588.82 km) |
| Donegal to Kraluv Dvur | 985.51 mi (1,586.02 km) |
| Donegal to Krnov | 1,126.18 mi (1,812.42 km) |
