| Swansea to Sceaux | 4,378.18 mi (7,046.00 km) |
| Swansea to Schiltigheim | 4,598.26 mi (7,400.18 km) |
| Swansea to Scionzier | 4,645.47 mi (7,476.16 km) |
| Swansea to Seclin | 4,348.05 mi (6,997.51 km) |
| Swansea to Sedan | 4,450.51 mi (7,162.41 km) |
| Swansea to Selestat | 4,599.68 mi (7,402.47 km) |
| Swansea to Sene | 4,210.85 mi (6,776.70 km) |
| Swansea to Senlis | 4,375.54 mi (7,041.75 km) |
| Swansea to Sens | 4,437.68 mi (7,141.76 km) |
| Swansea to Septemes-les-Vallons | 4,695.87 mi (7,557.27 km) |
| Swansea to Serris | 4,395.24 mi (7,073.45 km) |
| Swansea to Sete | 4,624.91 mi (7,443.08 km) |
| Swansea to Sevran | 4,382.62 mi (7,053.15 km) |
| Swansea to Sevres | 4,373.52 mi (7,038.50 km) |
| Swansea to Seynod | 4,633.33 mi (7,456.62 km) |
