| Donegal to Mombris | 792.24 mi (1,274.98 km) |
| Donegal to Monchengladbach | 649.57 mi (1,045.38 km) |
| Donegal to Monschau | 664.25 mi (1,069.01 km) |
| Donegal to Montabaur | 728.12 mi (1,171.79 km) |
| Donegal to Moosburg | 956.66 mi (1,539.60 km) |
| Donegal to Morbach | 723.76 mi (1,164.78 km) |
| Donegal to Morfelden-Walldorf | 772.29 mi (1,242.89 km) |
| Donegal to Morlenbach | 792.71 mi (1,275.74 km) |
| Donegal to Morsbach | 709.67 mi (1,142.10 km) |
| Donegal to Mosbach | 817.41 mi (1,315.50 km) |
| Donegal to Mosigkau | 860.10 mi (1,384.20 km) |
| Donegal to Mossingen | 851.62 mi (1,370.54 km) |
| Donegal to Much | 695.84 mi (1,119.85 km) |
| Donegal to Mucheln | 856.85 mi (1,378.97 km) |
| Donegal to Muhlacker | 821.50 mi (1,322.08 km) |
