| Castrop-Rauxel to Lubbeek | 116.65 mi (187.73 km) |
| Castrop-Rauxel to Lummen | 99.53 mi (160.18 km) |
| Castrop-Rauxel to Maaseik | 73.00 mi (117.47 km) |
| Castrop-Rauxel to Machelen | 132.20 mi (212.76 km) |
| Castrop-Rauxel to Maldegem | 169.20 mi (272.31 km) |
| Castrop-Rauxel to Malmedy | 96.58 mi (155.44 km) |
| Castrop-Rauxel to Manage | 152.36 mi (245.20 km) |
| Castrop-Rauxel to Marche-en-Famenne | 126.33 mi (203.31 km) |
| Castrop-Rauxel to Mariakerke | 160.64 mi (258.52 km) |
| Castrop-Rauxel to Mechelen | 127.74 mi (205.58 km) |
| Castrop-Rauxel to Mechelen-aan-de-Maas | 79.56 mi (128.04 km) |
| Castrop-Rauxel to Meerhout | 100.60 mi (161.90 km) |
| Castrop-Rauxel to Meise | 135.89 mi (218.69 km) |
| Castrop-Rauxel to Melle | 156.67 mi (252.13 km) |
| Castrop-Rauxel to Melsele | 132.83 mi (213.76 km) |
