| Castrop-Rauxel to Rochefort | 539.99 mi (869.03 km) |
| Castrop-Rauxel to Rodez | 543.39 mi (874.50 km) |
| Castrop-Rauxel to Rognac | 565.41 mi (909.94 km) |
| Castrop-Rauxel to Roissy-en-Brie | 280.91 mi (452.08 km) |
| Castrop-Rauxel to Romainville | 283.64 mi (456.47 km) |
| Castrop-Rauxel to Romans-sur-Isere | 461.20 mi (742.22 km) |
| Castrop-Rauxel to Rombas | 167.81 mi (270.07 km) |
| Castrop-Rauxel to Romilly-sur-Seine | 263.25 mi (423.66 km) |
| Castrop-Rauxel to Ronchin | 194.81 mi (313.52 km) |
| Castrop-Rauxel to Roncq | 189.98 mi (305.74 km) |
| Castrop-Rauxel to Roquebrune-sur-Argens | 561.01 mi (902.85 km) |
| Castrop-Rauxel to Roquevaire | 572.18 mi (920.84 km) |
| Castrop-Rauxel to Rosny-sous-Bois | 282.83 mi (455.17 km) |
| Castrop-Rauxel to Roubaix | 188.89 mi (303.98 km) |
| Castrop-Rauxel to Rouen | 309.90 mi (498.74 km) |
