| Castrop-Rauxel to Brandenburg | 229.86 mi (369.93 km) |
| Castrop-Rauxel to Brandis | 228.35 mi (367.49 km) |
| Castrop-Rauxel to Braunfels | 85.11 mi (136.98 km) |
| Castrop-Rauxel to Braunsbedra | 198.32 mi (319.17 km) |
| Castrop-Rauxel to Braunschweig | 145.10 mi (233.51 km) |
| Castrop-Rauxel to Breckerfeld | 20.61 mi (33.18 km) |
| Castrop-Rauxel to Breisach am Rhein | 243.27 mi (391.51 km) |
| Castrop-Rauxel to Bremen | 123.07 mi (198.07 km) |
| Castrop-Rauxel to Bremerhaven | 148.07 mi (238.30 km) |
| Castrop-Rauxel to Bremervorde | 153.86 mi (247.62 km) |
| Castrop-Rauxel to Bretten | 184.17 mi (296.40 km) |
| Castrop-Rauxel to Bretzfeld | 188.24 mi (302.94 km) |
| Castrop-Rauxel to Brieselang | 251.66 mi (405.00 km) |
| Castrop-Rauxel to Brilon | 54.89 mi (88.34 km) |
| Castrop-Rauxel to Bruchhausen-Vilsen | 113.77 mi (183.10 km) |
