| Gloucester to Barberino di Mugello | 825.17 mi (1,327.99 km) |
| Gloucester to Barcellona-Pozzo di Gotto | 1,268.35 mi (2,041.20 km) |
| Gloucester to Bareggio | 675.35 mi (1,086.87 km) |
| Gloucester to Barga | 795.57 mi (1,280.35 km) |
| Gloucester to Bari | 1,167.20 mi (1,878.43 km) |
| Gloucester to Barletta | 1,136.63 mi (1,829.23 km) |
| Gloucester to Baronissi | 1,112.77 mi (1,790.83 km) |
| Gloucester to Barrafranca | 1,281.24 mi (2,061.95 km) |
| Gloucester to Bassano del Grappa | 760.90 mi (1,224.54 km) |
| Gloucester to Battipaglia | 1,126.82 mi (1,813.44 km) |
| Gloucester to Beinasco | 652.17 mi (1,049.57 km) |
| Gloucester to Bellinzago Novarese | 657.68 mi (1,058.43 km) |
| Gloucester to Belluno | 763.54 mi (1,228.80 km) |
| Gloucester to Belmonte Mezzagno | 1,217.26 mi (1,958.99 km) |
| Gloucester to Belpasso | 1,292.89 mi (2,080.71 km) |
