| Swansea to Ridgefield Park (New Jersey) | 862.23 mi (1,387.62 km) |
| Swansea to Ridgeland (Mississippi) | 423.44 mi (681.46 km) |
| Swansea to Ridgewood (New Jersey) | 858.31 mi (1,381.31 km) |
| Swansea to Rifle (Colorado) | 955.37 mi (1,537.52 km) |
| Swansea to Rincon (Georgia) | 654.84 mi (1,053.86 km) |
| Swansea to Ringwood (New Jersey) | 850.88 mi (1,369.35 km) |
| Swansea to Río Grande (Puerto Rico) | 2,011.02 mi (3,236.42 km) |
| Swansea to Rio Grande City (Texas) | 984.88 mi (1,585.00 km) |
| Swansea to Rio Linda (California) | 1,689.67 mi (2,719.27 km) |
| Swansea to Rio Rancho (New Mexico) | 948.83 mi (1,527.00 km) |
| Swansea to Rio Rico (Arizona) | 1,280.69 mi (2,061.07 km) |
| Swansea to Ripon (California) | 1,685.16 mi (2,712.00 km) |
| Swansea to River Edge (New Jersey) | 861.75 mi (1,386.86 km) |
| Swansea to River Falls (Wisconsin) | 456.68 mi (734.95 km) |
| Swansea to River Forest (Illinois) | 257.76 mi (414.83 km) |
