| Swansea to Blue Island (Illinois) | 246.80 mi (397.19 km) |
| Swansea to Blue Springs (Missouri) | 233.04 mi (375.03 km) |
| Swansea to Bluffdale (Utah) | 1,174.61 mi (1,890.35 km) |
| Swansea to Bluffton (Indiana) | 297.41 mi (478.63 km) |
| Swansea to Bluffton (South Carolina) | 671.58 mi (1,080.80 km) |
| Swansea to Blythe (California) | 1,412.31 mi (2,272.89 km) |
| Swansea to Blytheville (Arkansas) | 180.98 mi (291.26 km) |
| Swansea to Boca Raton (Florida) | 1,017.98 mi (1,638.28 km) |
| Swansea to Boerne (Texas) | 784.45 mi (1,262.45 km) |
| Swansea to Bogalusa (Louisiana) | 536.87 mi (864.00 km) |
| Swansea to Boiling Springs (South Carolina) | 504.66 mi (812.18 km) |
| Swansea to Boise (Idaho) | 1,404.34 mi (2,260.07 km) |
| Swansea to Bolingbrook (Illinois) | 238.64 mi (384.05 km) |
| Swansea to Bolivar (Missouri) | 197.71 mi (318.19 km) |
| Swansea to Bon Air (Virginia) | 678.83 mi (1,092.47 km) |
