| Sumter to Sestu | 4,763.09 mi (7,665.45 km) |
| Sumter to Settimo Torinese | 4,526.45 mi (7,284.62 km) |
| Sumter to Seveso | 4,572.23 mi (7,358.29 km) |
| Sumter to Sezze | 4,876.76 mi (7,848.39 km) |
| Sumter to Siano | 4,974.19 mi (8,005.19 km) |
| Sumter to Siena | 4,739.84 mi (7,628.04 km) |
| Sumter to Signa | 4,714.97 mi (7,588.01 km) |
| Sumter to Silea | 4,709.21 mi (7,578.75 km) |
| Sumter to Silvi Paese | 4,889.18 mi (7,868.37 km) |
| Sumter to Sinalunga | 4,761.03 mi (7,662.14 km) |
| Sumter to Siniscola | 4,751.33 mi (7,646.53 km) |
| Sumter to Sinnai | 4,768.28 mi (7,673.80 km) |
| Sumter to Siracusa | 5,131.92 mi (8,259.03 km) |
| Sumter to Solaro | 4,570.71 mi (7,355.85 km) |
| Sumter to Soliera | 4,677.74 mi (7,528.09 km) |
