| Sumter to Sesimbra | 3,886.70 mi (6,255.04 km) |
| Sumter to Setubal | 3,895.46 mi (6,269.13 km) |
| Sumter to Sever do Vouga | 3,873.43 mi (6,233.68 km) |
| Sumter to Silves | 3,949.82 mi (6,356.63 km) |
| Sumter to Sines | 3,909.91 mi (6,292.40 km) |
| Sumter to Sintra | 3,864.00 mi (6,218.50 km) |
| Sumter to Sobrado de Paiva | 3,872.03 mi (6,231.43 km) |
| Sumter to Sobral de Monte Agraco | 3,871.18 mi (6,230.06 km) |
| Sumter to Soure | 3,874.79 mi (6,235.86 km) |
| Sumter to Tabua | 3,898.30 mi (6,273.71 km) |
| Sumter to Tavira | 3,992.25 mi (6,424.90 km) |
| Sumter to Tomar | 3,895.54 mi (6,269.26 km) |
| Sumter to Tondela | 3,892.21 mi (6,263.90 km) |
| Sumter to Torre de Moncorvo | 3,924.55 mi (6,315.95 km) |
| Sumter to Torres Novas | 3,892.60 mi (6,264.54 km) |
