| Swansea to University Place (Washington) | 1,738.66 mi (2,798.09 km) |
| Swansea to Upland (California) | 1,564.29 mi (2,517.49 km) |
| Swansea to Upper Arlington (Ohio) | 383.50 mi (617.19 km) |
| Swansea to Upper Grand Lagoon (Florida) | 627.49 mi (1,009.85 km) |
| Swansea to Upper Montclair (New Jersey) | 852.77 mi (1,372.39 km) |
| Swansea to Urbana (Illinois) | 144.06 mi (231.84 km) |
| Swansea to Urbana (Maryland) | 681.04 mi (1,096.03 km) |
| Swansea to Urbana (Ohio) | 349.92 mi (563.14 km) |
| Swansea to Urbandale (Iowa) | 292.81 mi (471.23 km) |
| Swansea to Utica (New York) | 831.71 mi (1,338.51 km) |
| Swansea to Uvalde (Texas) | 854.20 mi (1,374.71 km) |
| Swansea to Vacaville (California) | 1,721.63 mi (2,770.69 km) |
| Swansea to Vadnais Heights (Minnesota) | 476.76 mi (767.28 km) |
| Swansea to Vail (Arizona) | 1,248.53 mi (2,009.31 km) |
| Swansea to Valdosta (Georgia) | 653.95 mi (1,052.42 km) |
