| Castrop-Rauxel to Mouscron | 186.44 mi (300.05 km) |
| Castrop-Rauxel to Namur | 130.17 mi (209.49 km) |
| Castrop-Rauxel to Neder-Over-Heembeek | 134.63 mi (216.67 km) |
| Castrop-Rauxel to Neerpelt | 84.09 mi (135.34 km) |
| Castrop-Rauxel to Nevele | 166.60 mi (268.12 km) |
| Castrop-Rauxel to Niel | 132.21 mi (212.78 km) |
| Castrop-Rauxel to Nieuwpoort | 199.36 mi (320.85 km) |
| Castrop-Rauxel to Nijlen | 118.06 mi (189.99 km) |
| Castrop-Rauxel to Ninove | 151.22 mi (243.36 km) |
| Castrop-Rauxel to Nivelles | 146.37 mi (235.56 km) |
| Castrop-Rauxel to Olen | 109.97 mi (176.98 km) |
| Castrop-Rauxel to Oostakker | 156.38 mi (251.67 km) |
| Castrop-Rauxel to Oosterzele | 157.62 mi (253.66 km) |
| Castrop-Rauxel to Oostkamp | 178.20 mi (286.79 km) |
| Castrop-Rauxel to Opglabbeek | 82.46 mi (132.71 km) |
