| Belfast to Broxbourne | 313.77 mi (504.97 km) |
| Belfast to Broxburn | 133.82 mi (215.37 km) |
| Belfast to Bryn | 152.87 mi (246.03 km) |
| Belfast to Buckhurst Hill | 321.01 mi (516.61 km) |
| Belfast to Buckie | 241.41 mi (388.52 km) |
| Belfast to Buckingham | 271.90 mi (437.58 km) |
| Belfast to Buckley | 151.97 mi (244.57 km) |
| Belfast to Bucksburn | 230.07 mi (370.26 km) |
| Belfast to Bude | 267.03 mi (429.74 km) |
| Belfast to Bulwell | 222.32 mi (357.79 km) |
| Belfast to Burbage | 236.11 mi (379.98 km) |
| Belfast to Burgess Hill | 349.35 mi (562.23 km) |
| Belfast to Burnham | 303.93 mi (489.12 km) |
| Belfast to Burnham-on-Sea | 262.29 mi (422.11 km) |
| Belfast to Burnley | 158.93 mi (255.77 km) |
