| Swansea to Rome (New York) | 821.73 mi (1,322.44 km) |
| Swansea to Romeoville (Illinois) | 235.05 mi (378.28 km) |
| Swansea to Romulus (Michigan) | 430.80 mi (693.30 km) |
| Swansea to Ronkonkoma (New York) | 908.58 mi (1,462.21 km) |
| Swansea to Roosevelt (New York) | 883.97 mi (1,422.61 km) |
| Swansea to Rosamond (California) | 1,577.90 mi (2,539.39 km) |
| Swansea to Rosaryville (Maryland) | 709.53 mi (1,141.88 km) |
| Swansea to Roscoe (Illinois) | 272.61 mi (438.72 km) |
| Swansea to Rose Hill (Virginia) | 694.30 mi (1,117.36 km) |
| Swansea to Roseburg (Oregon) | 1,760.41 mi (2,833.11 km) |
| Swansea to Rosedale (California) | 1,620.83 mi (2,608.47 km) |
| Swansea to Rosedale (Maryland) | 725.61 mi (1,167.75 km) |
| Swansea to Roselle (Illinois) | 257.28 mi (414.05 km) |
| Swansea to Roselle (New Jersey) | 848.49 mi (1,365.51 km) |
| Swansea to Roselle Park (New Jersey) | 848.21 mi (1,365.07 km) |
