| Gloucester to Bougival | 283.24 mi (455.82 km) |
| Gloucester to Bouguenais | 325.03 mi (523.09 km) |
| Gloucester to Boulogne-Billancourt | 287.84 mi (463.23 km) |
| Gloucester to Boulogne-sur-Mer | 184.31 mi (296.62 km) |
| Gloucester to Bourg-de-Peage | 577.49 mi (929.38 km) |
| Gloucester to Bourg-en-Bresse | 516.63 mi (831.44 km) |
| Gloucester to Bourg-la-Reine | 292.95 mi (471.46 km) |
| Gloucester to Bourg-les-Valence | 578.74 mi (931.39 km) |
| Gloucester to Bourges | 390.31 mi (628.15 km) |
| Gloucester to Bourgoin-Jallieu | 552.19 mi (888.67 km) |
| Gloucester to Bressuire | 356.00 mi (572.93 km) |
| Gloucester to Brest | 259.82 mi (418.13 km) |
| Gloucester to Bretigny-sur-Orge | 301.47 mi (485.17 km) |
| Gloucester to Breuillet | 299.97 mi (482.76 km) |
| Gloucester to Briancon | 629.84 mi (1,013.63 km) |
