| Widnau to Brandenburg | 369.80 mi (595.14 km) |
| Widnau to Brandis | 303.00 mi (487.63 km) |
| Widnau to Braunfels | 222.70 mi (358.39 km) |
| Widnau to Braunsbedra | 287.04 mi (461.95 km) |
| Widnau to Braunschweig | 338.57 mi (544.87 km) |
| Widnau to Breckerfeld | 284.40 mi (457.70 km) |
| Widnau to Breisach am Rhein | 104.87 mi (168.77 km) |
| Widnau to Bremen | 394.41 mi (634.75 km) |
| Widnau to Bremerhaven | 427.43 mi (687.89 km) |
| Widnau to Bremervorde | 420.91 mi (677.39 km) |
| Widnau to Bretten | 120.87 mi (194.52 km) |
| Widnau to Bretzfeld | 123.58 mi (198.88 km) |
| Widnau to Brieselang | 388.01 mi (624.45 km) |
| Widnau to Brilon | 280.21 mi (450.95 km) |
| Widnau to Bruchhausen-Vilsen | 376.47 mi (605.87 km) |
