| Swansea to Rosemead (California) | 1,588.19 mi (2,555.94 km) |
| Swansea to Rosemont (California) | 1,686.72 mi (2,714.51 km) |
| Swansea to Rosemount (Minnesota) | 456.59 mi (734.80 km) |
| Swansea to Rosenberg (Texas) | 705.83 mi (1,135.92 km) |
| Swansea to Roseville (California) | 1,682.23 mi (2,707.29 km) |
| Swansea to Roseville (Michigan) | 459.92 mi (740.17 km) |
| Swansea to Roseville (Minnesota) | 475.47 mi (765.19 km) |
| Swansea to Rossmoor (California) | 1,594.61 mi (2,566.28 km) |
| Swansea to Rossville (Maryland) | 727.30 mi (1,170.48 km) |
| Swansea to Roswell (Georgia) | 442.11 mi (711.51 km) |
| Swansea to Roswell (New Mexico) | 887.20 mi (1,427.81 km) |
| Swansea to Round Lake (Illinois) | 280.06 mi (450.71 km) |
| Swansea to Round Lake Beach (Illinois) | 282.81 mi (455.14 km) |
| Swansea to Round Rock (Texas) | 705.32 mi (1,135.10 km) |
| Swansea to Rowland Heights (California) | 1,580.12 mi (2,542.96 km) |
