| Belfast to Bitonto | 1,391.03 mi (2,238.64 km) |
| Belfast to Bitritto | 1,399.60 mi (2,252.44 km) |
| Belfast to Bollate | 910.77 mi (1,465.74 km) |
| Belfast to Bologna | 1,037.43 mi (1,669.58 km) |
| Belfast to Bolzano | 938.71 mi (1,510.71 km) |
| Belfast to Bomporto | 1,014.95 mi (1,633.40 km) |
| Belfast to Bonate di Sopra | 918.39 mi (1,478.01 km) |
| Belfast to Bondeno | 1,019.91 mi (1,641.39 km) |
| Belfast to Bordighera | 963.59 mi (1,550.74 km) |
| Belfast to Borgaro Torinese | 886.76 mi (1,427.10 km) |
| Belfast to Borgo a Buggiano | 1,049.93 mi (1,689.70 km) |
| Belfast to Borgo San Dalmazzo | 927.21 mi (1,492.20 km) |
| Belfast to Borgo San Lorenzo | 1,067.12 mi (1,717.36 km) |
| Belfast to Borgomanero | 882.35 mi (1,420.00 km) |
| Belfast to Borgoricco | 1,006.91 mi (1,620.46 km) |
