| Swansea to Bound Brook (New Jersey) | 833.46 mi (1,341.32 km) |
| Swansea to Bountiful (Utah) | 1,170.78 mi (1,884.20 km) |
| Swansea to Bourbonnais (Illinois) | 213.45 mi (343.51 km) |
| Swansea to Bowie (Maryland) | 713.60 mi (1,148.44 km) |
| Swansea to Bowling Green (Kentucky) | 222.38 mi (357.88 km) |
| Swansea to Bowling Green (Ohio) | 388.10 mi (624.59 km) |
| Swansea to Box Elder (South Dakota) | 779.24 mi (1,254.07 km) |
| Swansea to Boynton Beach (Florida) | 1,009.90 mi (1,625.29 km) |
| Swansea to Bozeman (Montana) | 1,182.31 mi (1,902.74 km) |
| Swansea to Bradenton (Florida) | 875.75 mi (1,409.38 km) |
| Swansea to Bradfordville (Florida) | 641.49 mi (1,032.38 km) |
| Swansea to Bradley (Illinois) | 213.28 mi (343.24 km) |
| Swansea to Bradley Gardens (New Jersey) | 826.70 mi (1,330.45 km) |
| Swansea to Brainerd (Minnesota) | 580.21 mi (933.76 km) |
| Swansea to Brambleton (Virginia) | 671.04 mi (1,079.94 km) |
