| Colonia to Mombris | 3,892.69 mi (6,264.69 km) |
| Colonia to Monchengladbach | 3,751.50 mi (6,037.46 km) |
| Colonia to Monschau | 3,761.52 mi (6,053.59 km) |
| Colonia to Montabaur | 3,828.17 mi (6,160.84 km) |
| Colonia to Moosburg | 4,053.44 mi (6,523.38 km) |
| Colonia to Morbach | 3,816.88 mi (6,142.67 km) |
| Colonia to Morfelden-Walldorf | 3,871.13 mi (6,229.99 km) |
| Colonia to Morlenbach | 3,888.99 mi (6,258.73 km) |
| Colonia to Morsbach | 3,811.83 mi (6,134.54 km) |
| Colonia to Mosbach | 3,912.90 mi (6,297.21 km) |
| Colonia to Mosigkau | 3,961.00 mi (6,374.61 km) |
| Colonia to Mossingen | 3,937.54 mi (6,336.86 km) |
| Colonia to Much | 3,797.79 mi (6,111.96 km) |
| Colonia to Mucheln | 3,960.28 mi (6,373.46 km) |
| Colonia to Muhlacker | 3,912.29 mi (6,296.23 km) |
