| Castrolibero to Mombris | 818.27 mi (1,316.89 km) |
| Castrolibero to Monchengladbach | 946.68 mi (1,523.53 km) |
| Castrolibero to Monschau | 914.69 mi (1,472.06 km) |
| Castrolibero to Montabaur | 869.63 mi (1,399.53 km) |
| Castrolibero to Moosburg | 666.67 mi (1,072.89 km) |
| Castrolibero to Morbach | 850.79 mi (1,369.21 km) |
| Castrolibero to Morfelden-Walldorf | 826.61 mi (1,330.30 km) |
| Castrolibero to Morlenbach | 799.17 mi (1,286.14 km) |
| Castrolibero to Morsbach | 897.54 mi (1,444.46 km) |
| Castrolibero to Mosbach | 775.25 mi (1,247.64 km) |
| Castrolibero to Mosigkau | 885.49 mi (1,425.06 km) |
| Castrolibero to Mossingen | 721.08 mi (1,160.47 km) |
| Castrolibero to Much | 907.60 mi (1,460.65 km) |
| Castrolibero to Mucheln | 854.72 mi (1,375.54 km) |
| Castrolibero to Muhlacker | 758.26 mi (1,220.30 km) |
