| Swansea to Reading (Pennsylvania) | 759.41 mi (1,222.16 km) |
| Swansea to Red Bank (New Jersey) | 857.13 mi (1,379.42 km) |
| Swansea to Red Bank (Tennessee) | 351.64 mi (565.91 km) |
| Swansea to Red Bluff (California) | 1,717.26 mi (2,763.66 km) |
| Swansea to Red Hill (South Carolina) | 694.66 mi (1,117.95 km) |
| Swansea to Red Oak (Texas) | 565.12 mi (909.48 km) |
| Swansea to Red Wing (Minnesota) | 438.06 mi (704.99 km) |
| Swansea to Redan (Georgia) | 464.56 mi (747.63 km) |
| Swansea to Redding (California) | 1,720.69 mi (2,769.18 km) |
| Swansea to Redland (Maryland) | 691.55 mi (1,112.94 km) |
| Swansea to Redlands (California) | 1,539.43 mi (2,477.47 km) |
| Swansea to Redmond (Oregon) | 1,653.29 mi (2,660.71 km) |
| Swansea to Redmond (Washington) | 1,723.75 mi (2,774.11 km) |
| Swansea to Redondo Beach (California) | 1,608.97 mi (2,589.39 km) |
| Swansea to Redwood City (California) | 1,747.17 mi (2,811.80 km) |
