| Widnau to Bougival | 359.92 mi (579.24 km) |
| Widnau to Bouguenais | 527.23 mi (848.50 km) |
| Widnau to Boulogne-Billancourt | 354.96 mi (571.25 km) |
| Widnau to Boulogne-sur-Mer | 429.31 mi (690.91 km) |
| Widnau to Bourg-de-Peage | 273.13 mi (439.56 km) |
| Widnau to Bourg-en-Bresse | 224.01 mi (360.51 km) |
| Widnau to Bourg-la-Reine | 350.79 mi (564.54 km) |
| Widnau to Bourg-les-Valence | 282.93 mi (455.33 km) |
| Widnau to Bourges | 340.04 mi (547.24 km) |
| Widnau to Bourgoin-Jallieu | 242.24 mi (389.85 km) |
| Widnau to Bressuire | 477.12 mi (767.85 km) |
| Widnau to Brest | 656.91 mi (1,057.19 km) |
| Widnau to Bretigny-sur-Orge | 348.77 mi (561.29 km) |
| Widnau to Breuillet | 354.22 mi (570.07 km) |
| Widnau to Briancon | 224.75 mi (361.70 km) |
