| Swansea to Rockport (Texas) | 833.58 mi (1,341.52 km) |
| Swansea to Rockville (Maryland) | 691.12 mi (1,112.26 km) |
| Swansea to Rockville Centre (New York) | 881.03 mi (1,417.89 km) |
| Swansea to Rockwall (Texas) | 531.16 mi (854.83 km) |
| Swansea to Rocky Mount (North Carolina) | 692.65 mi (1,114.71 km) |
| Swansea to Rocky Point (New York) | 919.10 mi (1,479.15 km) |
| Swansea to Rocky River (Ohio) | 475.07 mi (764.56 km) |
| Swansea to Roessleville (New York) | 894.33 mi (1,439.28 km) |
| Swansea to Rogers (Arkansas) | 275.80 mi (443.86 km) |
| Swansea to Rogers (Minnesota) | 494.21 mi (795.35 km) |
| Swansea to Rohnert Park (California) | 1,760.59 mi (2,833.40 km) |
| Swansea to Rolla (Missouri) | 104.98 mi (168.95 km) |
| Swansea to Rolling Meadows (Illinois) | 264.47 mi (425.62 km) |
| Swansea to Roma (Texas) | 988.34 mi (1,590.59 km) |
| Swansea to Rome (Georgia) | 398.45 mi (641.24 km) |
