| Gloucester to Beyne-Heusay | 352.00 mi (566.49 km) |
| Gloucester to Bierbeek | 310.70 mi (500.02 km) |
| Gloucester to Bilzen | 341.65 mi (549.83 km) |
| Gloucester to Binche | 295.69 mi (475.87 km) |
| Gloucester to Bissegem | 246.51 mi (396.71 km) |
| Gloucester to Blankenberge | 233.40 mi (375.62 km) |
| Gloucester to Blegny | 354.49 mi (570.49 km) |
| Gloucester to Bocholt | 339.59 mi (546.52 km) |
| Gloucester to Boechout | 293.39 mi (472.17 km) |
| Gloucester to Bonheiden | 297.33 mi (478.50 km) |
| Gloucester to Boom | 289.48 mi (465.88 km) |
| Gloucester to Boortmeerbeek | 299.57 mi (482.12 km) |
| Gloucester to Borgerhout | 290.71 mi (467.85 km) |
| Gloucester to Borgloon | 335.50 mi (539.94 km) |
| Gloucester to Bornem | 283.58 mi (456.38 km) |
