| Donegal to Herzberg | 903.72 mi (1,454.39 km) |
| Donegal to Herzberg am Harz | 789.41 mi (1,270.43 km) |
| Donegal to Herzogenaurach | 875.53 mi (1,409.03 km) |
| Donegal to Herzogenrath | 647.72 mi (1,042.41 km) |
| Donegal to Hessisch Lichtenau | 777.43 mi (1,251.15 km) |
| Donegal to Hessisch Oldendorf | 733.27 mi (1,180.08 km) |
| Donegal to Hettstedt | 836.02 mi (1,345.45 km) |
| Donegal to Heubach | 868.70 mi (1,398.04 km) |
| Donegal to Heusenstamm | 778.79 mi (1,253.34 km) |
| Donegal to Heusweiler | 735.62 mi (1,183.86 km) |
| Donegal to Hiddenhausen | 708.13 mi (1,139.63 km) |
| Donegal to Hilchenbach | 720.70 mi (1,159.85 km) |
| Donegal to Hildburghausen | 841.82 mi (1,354.78 km) |
| Donegal to Hilden | 669.99 mi (1,078.24 km) |
| Donegal to Hildesheim | 761.49 mi (1,225.50 km) |
