| Castrop-Rauxel to Plombieres | 81.82 mi (131.67 km) |
| Castrop-Rauxel to Pont-a-Celles | 147.92 mi (238.06 km) |
| Castrop-Rauxel to Poperinge | 204.44 mi (329.02 km) |
| Castrop-Rauxel to Profondeville | 133.80 mi (215.33 km) |
| Castrop-Rauxel to Putte | 120.95 mi (194.66 km) |
| Castrop-Rauxel to Puurs | 135.15 mi (217.50 km) |
| Castrop-Rauxel to Quaregnon | 168.69 mi (271.48 km) |
| Castrop-Rauxel to Raeren | 79.34 mi (127.68 km) |
| Castrop-Rauxel to Ranst | 121.74 mi (195.93 km) |
| Castrop-Rauxel to Ravels | 100.53 mi (161.79 km) |
| Castrop-Rauxel to Retie | 98.92 mi (159.20 km) |
| Castrop-Rauxel to Riemst | 90.21 mi (145.18 km) |
| Castrop-Rauxel to Rijkevorsel | 110.66 mi (178.09 km) |
| Castrop-Rauxel to Rixensart | 133.70 mi (215.17 km) |
| Castrop-Rauxel to Rochefort | 132.37 mi (213.02 km) |
