| Donegal to Kelkheim (Taunus) | 762.33 mi (1,226.86 km) |
| Donegal to Kelsterbach | 768.12 mi (1,236.17 km) |
| Donegal to Kemberg | 877.29 mi (1,411.86 km) |
| Donegal to Kempen | 643.87 mi (1,036.21 km) |
| Donegal to Kempten | 926.05 mi (1,490.33 km) |
| Donegal to Kenzingen | 814.06 mi (1,310.11 km) |
| Donegal to Kerpen | 670.28 mi (1,078.71 km) |
| Donegal to Ketsch | 793.87 mi (1,277.61 km) |
| Donegal to Kevelaer | 630.77 mi (1,015.12 km) |
| Donegal to Kiel | 730.71 mi (1,175.97 km) |
| Donegal to Kierspe | 695.45 mi (1,119.22 km) |
| Donegal to Kirchhain | 757.74 mi (1,219.46 km) |
| Donegal to Kirchheim bei Munchen | 961.33 mi (1,547.11 km) |
| Donegal to Kirchheim unter Teck | 856.27 mi (1,378.03 km) |
| Donegal to Kirchhundem | 716.54 mi (1,153.16 km) |
