| Donegal to Lubbeek | 599.69 mi (965.11 km) |
| Donegal to Lummen | 609.64 mi (981.13 km) |
| Donegal to Maaseik | 627.90 mi (1,010.51 km) |
| Donegal to Machelen | 583.55 mi (939.14 km) |
| Donegal to Maldegem | 535.90 mi (862.44 km) |
| Donegal to Malmedy | 660.38 mi (1,062.78 km) |
| Donegal to Manage | 591.27 mi (951.56 km) |
| Donegal to Marche-en-Famenne | 642.47 mi (1,033.95 km) |
| Donegal to Mariakerke | 549.45 mi (884.25 km) |
| Donegal to Mechelen | 581.04 mi (935.09 km) |
| Donegal to Mechelen-aan-de-Maas | 628.23 mi (1,011.04 km) |
| Donegal to Meerhout | 600.14 mi (965.84 km) |
| Donegal to Meise | 578.88 mi (931.61 km) |
| Donegal to Melle | 556.67 mi (895.87 km) |
| Donegal to Melsele | 566.89 mi (912.32 km) |
