| Castrop-Rauxel to Monchengladbach | 45.13 mi (72.62 km) |
| Castrop-Rauxel to Monschau | 82.46 mi (132.70 km) |
| Castrop-Rauxel to Montabaur | 79.99 mi (128.73 km) |
| Castrop-Rauxel to Moosburg | 295.54 mi (475.62 km) |
| Castrop-Rauxel to Morbach | 120.08 mi (193.25 km) |
| Castrop-Rauxel to Morfelden-Walldorf | 120.54 mi (194.00 km) |
| Castrop-Rauxel to Morlenbach | 148.50 mi (238.99 km) |
| Castrop-Rauxel to Morsbach | 50.29 mi (80.93 km) |
| Castrop-Rauxel to Mosbach | 171.86 mi (276.59 km) |
| Castrop-Rauxel to Mosigkau | 211.45 mi (340.29 km) |
| Castrop-Rauxel to Mossingen | 230.55 mi (371.03 km) |
| Castrop-Rauxel to Much | 43.90 mi (70.66 km) |
| Castrop-Rauxel to Mucheln | 193.89 mi (312.04 km) |
| Castrop-Rauxel to Muhlacker | 191.81 mi (308.70 km) |
| Castrop-Rauxel to Muhldorf | 325.14 mi (523.26 km) |
