| Belfast to Belvedere Marittimo | 1,445.08 mi (2,325.63 km) |
| Belfast to Benevento | 1,327.32 mi (2,136.12 km) |
| Belfast to Bergamo | 921.16 mi (1,482.46 km) |
| Belfast to Bernalda | 1,428.23 mi (2,298.51 km) |
| Belfast to Bertinoro | 1,081.16 mi (1,739.96 km) |
| Belfast to Besana in Brianza | 908.36 mi (1,461.87 km) |
| Belfast to Besozzo | 880.86 mi (1,417.61 km) |
| Belfast to Biancavilla | 1,525.24 mi (2,454.63 km) |
| Belfast to Biassono | 911.26 mi (1,466.53 km) |
| Belfast to Bibbiano | 1,000.03 mi (1,609.39 km) |
| Belfast to Bibbiena | 1,094.27 mi (1,761.05 km) |
| Belfast to Biella | 876.93 mi (1,411.28 km) |
| Belfast to Bisceglie | 1,378.38 mi (2,218.29 km) |
| Belfast to Bisignano | 1,463.99 mi (2,356.06 km) |
| Belfast to Bitetto | 1,397.67 mi (2,249.33 km) |
