| Swansea to Buena Park (California) | 1,588.91 mi (2,557.11 km) |
| Swansea to Buenaventura Lakes (Florida) | 862.68 mi (1,388.36 km) |
| Swansea to Buffalo (Minnesota) | 499.43 mi (803.76 km) |
| Swansea to Buffalo (New York) | 655.34 mi (1,054.66 km) |
| Swansea to Buffalo Grove (Illinois) | 271.65 mi (437.18 km) |
| Swansea to Buford (Georgia) | 452.69 mi (728.53 km) |
| Swansea to Bull Run (Virginia) | 672.16 mi (1,081.73 km) |
| Swansea to Bullhead City (Arizona) | 1,374.43 mi (2,211.94 km) |
| Swansea to Burbank (California) | 1,598.50 mi (2,572.53 km) |
| Swansea to Burbank (Illinois) | 249.79 mi (401.99 km) |
| Swansea to Burien (Washington) | 1,731.77 mi (2,787.01 km) |
| Swansea to Burkburnett (Texas) | 568.73 mi (915.29 km) |
| Swansea to Burke (Virginia) | 686.00 mi (1,104.01 km) |
| Swansea to Burke Centre (Virginia) | 683.99 mi (1,100.77 km) |
| Swansea to Burleson (Texas) | 586.55 mi (943.96 km) |
