| Castrop-Rauxel to Mainaschaff | 132.95 mi (213.96 km) |
| Castrop-Rauxel to Mainburg | 281.57 mi (453.14 km) |
| Castrop-Rauxel to Maintal | 117.18 mi (188.59 km) |
| Castrop-Rauxel to Mainz | 115.93 mi (186.58 km) |
| Castrop-Rauxel to Maisach | 289.68 mi (466.19 km) |
| Castrop-Rauxel to Maisenhausen | 128.71 mi (207.14 km) |
| Castrop-Rauxel to Malente | 225.52 mi (362.94 km) |
| Castrop-Rauxel to Malsch | 189.83 mi (305.50 km) |
| Castrop-Rauxel to Manching | 269.27 mi (433.34 km) |
| Castrop-Rauxel to Mannheim | 151.16 mi (243.27 km) |
| Castrop-Rauxel to Mansfeld | 177.70 mi (285.98 km) |
| Castrop-Rauxel to Marbach am Neckar | 199.95 mi (321.78 km) |
| Castrop-Rauxel to Marburg | 81.12 mi (130.55 km) |
| Castrop-Rauxel to Marienberg | 260.87 mi (419.82 km) |
| Castrop-Rauxel to Marienheide | 33.58 mi (54.03 km) |
