| Swansea to Brownhills | 4,092.74 mi (6,586.64 km) |
| Swansea to Broxbourne | 4,192.46 mi (6,747.11 km) |
| Swansea to Broxburn | 3,946.57 mi (6,351.38 km) |
| Swansea to Bryn | 4,041.29 mi (6,503.83 km) |
| Swansea to Buckhurst Hill | 4,198.26 mi (6,756.45 km) |
| Swansea to Buckie | 3,920.69 mi (6,309.75 km) |
| Swansea to Buckingham | 4,148.04 mi (6,675.62 km) |
| Swansea to Buckley | 4,034.09 mi (6,492.25 km) |
| Swansea to Bucksburn | 3,960.63 mi (6,374.01 km) |
| Swansea to Bude | 4,042.60 mi (6,505.94 km) |
| Swansea to Bulwell | 4,110.45 mi (6,615.12 km) |
| Swansea to Burbage | 4,118.48 mi (6,628.06 km) |
| Swansea to Burgess Hill | 4,212.87 mi (6,779.96 km) |
| Swansea to Burnham | 4,174.24 mi (6,717.79 km) |
| Swansea to Burnham-on-Sea | 4,092.20 mi (6,585.75 km) |
