| Watford to Brandenburg | 551.30 mi (887.24 km) |
| Watford to Brandis | 559.11 mi (899.80 km) |
| Watford to Braunfels | 388.80 mi (625.71 km) |
| Watford to Braunsbedra | 529.21 mi (851.68 km) |
| Watford to Braunschweig | 466.07 mi (750.07 km) |
| Watford to Breckerfeld | 339.36 mi (546.15 km) |
| Watford to Breisach am Rhein | 434.36 mi (699.03 km) |
| Watford to Bremen | 399.98 mi (643.70 km) |
| Watford to Bremerhaven | 398.56 mi (641.42 km) |
| Watford to Bremervorde | 419.26 mi (674.73 km) |
| Watford to Bretten | 439.82 mi (707.82 km) |
| Watford to Bretzfeld | 464.73 mi (747.91 km) |
| Watford to Brieselang | 571.08 mi (919.06 km) |
| Watford to Brilon | 385.49 mi (620.39 km) |
| Watford to Bruchhausen-Vilsen | 405.43 mi (652.48 km) |
