| Swansea to Sacramento (California) | 1,692.51 mi (2,723.83 km) |
| Swansea to Saddlebrooke (Arizona) | 1,241.67 mi (1,998.27 km) |
| Swansea to Safety Harbor (Florida) | 840.64 mi (1,352.88 km) |
| Swansea to Saginaw (Michigan) | 460.49 mi (741.09 km) |
| Swansea to Saginaw (Texas) | 570.32 mi (917.84 km) |
| Swansea to Sahuarita (Arizona) | 1,265.52 mi (2,036.66 km) |
| Swansea to Saks (Alabama) | 406.03 mi (653.45 km) |
| Swansea to Salem (Massachusetts) | 1,036.37 mi (1,667.87 km) |
| Swansea to Salem (Ohio) | 511.73 mi (823.56 km) |
| Swansea to Salem (Oregon) | 1,746.20 mi (2,810.23 km) |
| Swansea to Salem (Virginia) | 547.99 mi (881.90 km) |
| Swansea to Salem Lakes (Wisconsin) | 292.10 mi (470.08 km) |
| Swansea to Salida (California) | 1,683.12 mi (2,708.71 km) |
| Swansea to Salina (Kansas) | 411.73 mi (662.62 km) |
| Swansea to Salinas (California) | 1,728.14 mi (2,781.17 km) |
