| Castrop-Rauxel to Melun | 293.02 mi (471.57 km) |
| Castrop-Rauxel to Mende | 516.66 mi (831.49 km) |
| Castrop-Rauxel to Mennecy | 298.88 mi (480.99 km) |
| Castrop-Rauxel to Menton | 537.27 mi (864.65 km) |
| Castrop-Rauxel to Mericourt | 209.20 mi (336.68 km) |
| Castrop-Rauxel to Merignac | 590.42 mi (950.20 km) |
| Castrop-Rauxel to Meru | 278.57 mi (448.32 km) |
| Castrop-Rauxel to Merville | 212.31 mi (341.68 km) |
| Castrop-Rauxel to Mery-sur-Oise | 284.08 mi (457.19 km) |
| Castrop-Rauxel to Metz | 175.22 mi (281.99 km) |
| Castrop-Rauxel to Meudon | 293.60 mi (472.50 km) |
| Castrop-Rauxel to Meylan | 443.76 mi (714.17 km) |
| Castrop-Rauxel to Meyzieu | 413.24 mi (665.05 km) |
| Castrop-Rauxel to Meze | 587.21 mi (945.02 km) |
| Castrop-Rauxel to Millau | 550.87 mi (886.54 km) |
