| Westminster to Bougival | 207.68 mi (334.23 km) |
| Westminster to Bouguenais | 305.68 mi (491.95 km) |
| Westminster to Boulogne-Billancourt | 211.69 mi (340.69 km) |
| Westminster to Boulogne-sur-Mer | 92.63 mi (149.07 km) |
| Westminster to Bourg-de-Peage | 505.57 mi (813.63 km) |
| Westminster to Bourg-en-Bresse | 439.08 mi (706.64 km) |
| Westminster to Bourg-la-Reine | 216.69 mi (348.73 km) |
| Westminster to Bourg-les-Valence | 507.91 mi (817.39 km) |
| Westminster to Bourges | 325.33 mi (523.57 km) |
| Westminster to Bourgoin-Jallieu | 477.07 mi (767.78 km) |
| Westminster to Bressuire | 322.00 mi (518.21 km) |
| Westminster to Brest | 288.88 mi (464.91 km) |
| Westminster to Bretigny-sur-Orge | 226.72 mi (364.87 km) |
| Westminster to Breuillet | 226.74 mi (364.91 km) |
| Westminster to Briancon | 551.85 mi (888.12 km) |
