| Swansea to Borgosatollo | 4,815.67 mi (7,750.07 km) |
| Swansea to Borgosesia | 4,727.47 mi (7,608.12 km) |
| Swansea to Boscoreale | 5,181.47 mi (8,338.76 km) |
| Swansea to Boscotrecase | 5,180.07 mi (8,336.52 km) |
| Swansea to Botticino Sera | 4,813.15 mi (7,746.01 km) |
| Swansea to Bovalino Marina | 5,365.12 mi (8,634.32 km) |
| Swansea to Boves | 4,751.37 mi (7,646.59 km) |
| Swansea to Boville Ernica | 5,102.25 mi (8,211.28 km) |
| Swansea to Bovisio Masciago | 4,766.71 mi (7,671.28 km) |
| Swansea to Bovolone | 4,860.12 mi (7,821.62 km) |
| Swansea to Bra | 4,749.59 mi (7,643.72 km) |
| Swansea to Bracciano | 5,030.87 mi (8,096.41 km) |
| Swansea to Brandizzo | 4,730.84 mi (7,613.54 km) |
| Swansea to Breganze | 4,859.18 mi (7,820.09 km) |
| Swansea to Brembate | 4,783.33 mi (7,698.03 km) |
