| Donegal to Haaren | 651.16 mi (1,047.94 km) |
| Donegal to Hadamar | 736.27 mi (1,184.91 km) |
| Donegal to Hagen | 685.14 mi (1,102.63 km) |
| Donegal to Hagen im Bremischen | 684.58 mi (1,101.72 km) |
| Donegal to Hagenow | 785.01 mi (1,263.35 km) |
| Donegal to Haiger | 732.49 mi (1,178.84 km) |
| Donegal to Haigerloch | 844.11 mi (1,358.47 km) |
| Donegal to Hainichen | 918.63 mi (1,478.39 km) |
| Donegal to Halberstadt | 811.32 mi (1,305.69 km) |
| Donegal to Haldensleben | 816.81 mi (1,314.53 km) |
| Donegal to Hallbergmoos | 954.92 mi (1,536.80 km) |
| Donegal to Halle | 700.70 mi (1,127.66 km) |
| Donegal to Halle | 858.64 mi (1,381.84 km) |
| Donegal to Halle-Neustadt | 856.82 mi (1,378.93 km) |
| Donegal to Hallstadt | 862.97 mi (1,388.81 km) |
