| Donegal to Menen | 539.45 mi (868.16 km) |
| Donegal to Merchtem | 573.96 mi (923.70 km) |
| Donegal to Merelbeke | 554.82 mi (892.89 km) |
| Donegal to Merksem | 572.18 mi (920.83 km) |
| Donegal to Merksplas | 584.22 mi (940.21 km) |
| Donegal to Mettet | 613.72 mi (987.69 km) |
| Donegal to Meulebeke | 539.62 mi (868.43 km) |
| Donegal to Middelkerke | 513.77 mi (826.83 km) |
| Donegal to Mol | 599.74 mi (965.19 km) |
| Donegal to Mons | 582.90 mi (938.09 km) |
| Donegal to Montignies-le-Tilleul | 601.25 mi (967.62 km) |
| Donegal to Moorslede | 533.67 mi (858.86 km) |
| Donegal to Moortebeek | 581.90 mi (936.48 km) |
| Donegal to Morlanwelz-Mariemont | 593.20 mi (954.66 km) |
| Donegal to Mortsel | 575.71 mi (926.52 km) |
