| Swansea to Sereflikochisar | 5,997.52 mi (9,652.07 km) |
| Swansea to Serik | 6,014.45 mi (9,679.32 km) |
| Swansea to Serinhisar | 5,912.51 mi (9,515.27 km) |
| Swansea to Serinyol | 6,227.39 mi (10,022.02 km) |
| Swansea to Seydisehir | 6,016.26 mi (9,682.24 km) |
| Swansea to Seyhan | 6,163.98 mi (9,919.97 km) |
| Swansea to Seyitgazi | 5,870.35 mi (9,447.42 km) |
| Swansea to Siirt | 6,334.00 mi (10,193.58 km) |
| Swansea to Sile | 5,743.94 mi (9,243.98 km) |
| Swansea to Silifke | 6,146.12 mi (9,891.23 km) |
| Swansea to Silivri | 5,700.06 mi (9,173.37 km) |
| Swansea to Silopi | 6,388.73 mi (10,281.66 km) |
| Swansea to Simav | 5,826.31 mi (9,376.55 km) |
| Swansea to Sinanpasa | 5,889.63 mi (9,478.45 km) |
| Swansea to Sindirgi | 5,788.58 mi (9,315.82 km) |
