| Swansea to Burnley | 4,048.59 mi (6,515.58 km) |
| Swansea to Burntwood | 4,092.20 mi (6,585.77 km) |
| Swansea to Burscough | 4,031.61 mi (6,488.25 km) |
| Swansea to Burslem | 4,071.78 mi (6,552.90 km) |
| Swansea to Burton upon Trent | 4,099.56 mi (6,597.61 km) |
| Swansea to Burtonwood | 4,043.03 mi (6,506.62 km) |
| Swansea to Bury | 4,052.17 mi (6,521.34 km) |
| Swansea to Bury Saint Edmunds | 4,205.40 mi (6,767.93 km) |
| Swansea to Bushey | 4,182.68 mi (6,731.37 km) |
| Swansea to Buxton | 4,076.12 mi (6,559.88 km) |
| Swansea to Caerdydd | 4,077.91 mi (6,562.76 km) |
| Swansea to Caerfyrddin | 4,022.89 mi (6,474.22 km) |
| Swansea to Caernarfon | 3,989.85 mi (6,421.05 km) |
| Swansea to Caerphilly | 4,073.65 mi (6,555.90 km) |
| Swansea to Caister-on-Sea | 4,231.05 mi (6,809.22 km) |
