| Belfast to Barking | 326.68 mi (525.74 km) |
| Belfast to Barnet | 312.97 mi (503.68 km) |
| Belfast to Barnoldswick | 158.13 mi (254.48 km) |
| Belfast to Barnsley | 194.21 mi (312.56 km) |
| Belfast to Barnstaple | 255.16 mi (410.65 km) |
| Belfast to Barrhead | 103.05 mi (165.84 km) |
| Belfast to Barri | 246.65 mi (396.94 km) |
| Belfast to Barrow in Furness | 113.92 mi (183.34 km) |
| Belfast to Barton upon Humber | 230.53 mi (371.01 km) |
| Belfast to Barton upon Irwell | 164.22 mi (264.28 km) |
| Belfast to Barwell | 234.42 mi (377.26 km) |
| Belfast to Basford | 224.15 mi (360.73 km) |
| Belfast to Basildon | 338.02 mi (543.99 km) |
| Belfast to Basingstoke | 305.80 mi (492.13 km) |
| Belfast to Bath | 267.20 mi (430.01 km) |
