| Belfast to Barberino di Mugello | 1,059.77 mi (1,705.54 km) |
| Belfast to Barcellona-Pozzo di Gotto | 1,507.09 mi (2,425.42 km) |
| Belfast to Bareggio | 910.87 mi (1,465.90 km) |
| Belfast to Barga | 1,031.75 mi (1,660.45 km) |
| Belfast to Bari | 1,396.77 mi (2,247.88 km) |
| Belfast to Barletta | 1,367.04 mi (2,200.04 km) |
| Belfast to Baronissi | 1,347.94 mi (2,169.29 km) |
| Belfast to Barrafranca | 1,522.01 mi (2,449.43 km) |
| Belfast to Bassano del Grappa | 986.77 mi (1,588.05 km) |
| Belfast to Battipaglia | 1,361.84 mi (2,191.67 km) |
| Belfast to Beinasco | 892.08 mi (1,435.66 km) |
| Belfast to Bellinzago Novarese | 893.71 mi (1,438.29 km) |
| Belfast to Belluno | 985.67 mi (1,586.28 km) |
| Belfast to Belmonte Mezzagno | 1,458.28 mi (2,346.88 km) |
| Belfast to Belpasso | 1,532.59 mi (2,466.46 km) |
