| Gloucester to Belvedere Marittimo | 1,209.73 mi (1,946.87 km) |
| Gloucester to Benevento | 1,093.05 mi (1,759.10 km) |
| Gloucester to Bergamo | 688.45 mi (1,107.95 km) |
| Gloucester to Bernalda | 1,196.33 mi (1,925.31 km) |
| Gloucester to Bertinoro | 849.36 mi (1,366.91 km) |
| Gloucester to Besana in Brianza | 674.55 mi (1,085.58 km) |
| Gloucester to Besozzo | 645.89 mi (1,039.46 km) |
| Gloucester to Biancavilla | 1,285.47 mi (2,068.76 km) |
| Gloucester to Biassono | 677.14 mi (1,089.75 km) |
| Gloucester to Bibbiano | 765.63 mi (1,232.16 km) |
| Gloucester to Bibbiena | 860.15 mi (1,384.28 km) |
| Gloucester to Biella | 639.43 mi (1,029.06 km) |
| Gloucester to Bisceglie | 1,148.29 mi (1,847.99 km) |
| Gloucester to Bisignano | 1,229.24 mi (1,978.28 km) |
| Gloucester to Bitetto | 1,167.56 mi (1,879.01 km) |
