| Castrop-Rauxel to Quickborn | 185.61 mi (298.71 km) |
| Castrop-Rauxel to Quierschied | 154.75 mi (249.05 km) |
| Castrop-Rauxel to Radeberg | 286.38 mi (460.89 km) |
| Castrop-Rauxel to Radebeul | 275.12 mi (442.77 km) |
| Castrop-Rauxel to Radevormwald | 24.23 mi (38.99 km) |
| Castrop-Rauxel to Radolfzell am Bodensee | 273.83 mi (440.68 km) |
| Castrop-Rauxel to Raesfeld | 25.56 mi (41.14 km) |
| Castrop-Rauxel to Rahden | 81.52 mi (131.20 km) |
| Castrop-Rauxel to Rain | 254.24 mi (409.16 km) |
| Castrop-Rauxel to Rangsdorf | 265.45 mi (427.21 km) |
| Castrop-Rauxel to Rastatt | 190.59 mi (306.73 km) |
| Castrop-Rauxel to Rastede | 123.22 mi (198.30 km) |
| Castrop-Rauxel to Ratekau | 218.84 mi (352.19 km) |
| Castrop-Rauxel to Rathenow | 225.00 mi (362.10 km) |
| Castrop-Rauxel to Ratingen | 26.51 mi (42.66 km) |
