| Castrop-Rauxel to Meppen | 79.02 mi (127.17 km) |
| Castrop-Rauxel to Merchweiler | 151.71 mi (244.16 km) |
| Castrop-Rauxel to Mering | 279.62 mi (450.01 km) |
| Castrop-Rauxel to Merseburg | 201.76 mi (324.69 km) |
| Castrop-Rauxel to Merzenich | 60.59 mi (97.51 km) |
| Castrop-Rauxel to Merzig | 148.32 mi (238.70 km) |
| Castrop-Rauxel to Meschede | 43.85 mi (70.58 km) |
| Castrop-Rauxel to Messkirch | 258.49 mi (416.00 km) |
| Castrop-Rauxel to Messstetten | 244.05 mi (392.76 km) |
| Castrop-Rauxel to Mettingen | 56.54 mi (90.99 km) |
| Castrop-Rauxel to Mettlach | 145.68 mi (234.45 km) |
| Castrop-Rauxel to Mettmann | 25.64 mi (41.26 km) |
| Castrop-Rauxel to Metzingen | 225.77 mi (363.34 km) |
| Castrop-Rauxel to Meuselwitz | 217.99 mi (350.82 km) |
| Castrop-Rauxel to Michelstadt | 148.95 mi (239.72 km) |
