| Swansea to Bonham (Texas) | 487.24 mi (784.13 km) |
| Swansea to Bonita (California) | 1,566.32 mi (2,520.75 km) |
| Swansea to Bonita Springs (Florida) | 967.72 mi (1,557.40 km) |
| Swansea to Bonney Lake (Washington) | 1,720.83 mi (2,769.40 km) |
| Swansea to Boone (Iowa) | 317.10 mi (510.33 km) |
| Swansea to Boone (North Carolina) | 484.27 mi (779.36 km) |
| Swansea to Borger (Texas) | 659.45 mi (1,061.28 km) |
| Swansea to Bossier City (Louisiana) | 464.99 mi (748.32 km) |
| Swansea to Boston (Massachusetts) | 1,025.12 mi (1,649.77 km) |
| Swansea to Bostonia (California) | 1,557.87 mi (2,507.15 km) |
| Swansea to Bothell (Washington) | 1,728.88 mi (2,782.37 km) |
| Swansea to Bothell East (Washington) | 1,728.35 mi (2,781.52 km) |
| Swansea to Bothell West (Washington) | 1,730.89 mi (2,785.60 km) |
| Swansea to Boulder (Colorado) | 821.70 mi (1,322.40 km) |
| Swansea to Boulder City (Nevada) | 1,381.04 mi (2,222.57 km) |
