| Swansea to Wichita (Kansas) | 404.27 mi (650.61 km) |
| Swansea to Wichita Falls (Texas) | 573.75 mi (923.37 km) |
| Swansea to Wickliffe (Ohio) | 497.02 mi (799.87 km) |
| Swansea to Wildomar (California) | 1,554.39 mi (2,501.55 km) |
| Swansea to Wildwood (Florida) | 815.72 mi (1,312.78 km) |
| Swansea to Wildwood (Missouri) | 37.01 mi (59.56 km) |
| Swansea to Wilkes-Barre (Pennsylvania) | 769.80 mi (1,238.88 km) |
| Swansea to Wilkinsburg (Pennsylvania) | 554.46 mi (892.31 km) |
| Swansea to Williamsburg (Virginia) | 728.58 mi (1,172.53 km) |
| Swansea to Williamsport (Pennsylvania) | 710.34 mi (1,143.19 km) |
| Swansea to Williamstown (New Jersey) | 807.33 mi (1,299.28 km) |
| Swansea to Willimantic (Connecticut) | 962.18 mi (1,548.48 km) |
| Swansea to Williston (North Dakota) | 952.78 mi (1,533.35 km) |
| Swansea to Willmar (Minnesota) | 523.44 mi (842.40 km) |
| Swansea to Willoughby (Ohio) | 500.93 mi (806.17 km) |
