| San Severino Marche to Siran | 1,349.28 mi (2,171.46 km) |
| San Severino Marche to Sirnak | 1,582.11 mi (2,546.15 km) |
| San Severino Marche to Sirvan | 1,545.71 mi (2,487.58 km) |
| San Severino Marche to Sivas | 1,252.55 mi (2,015.79 km) |
| San Severino Marche to Sivasli | 920.87 mi (1,481.99 km) |
| San Severino Marche to Siverek | 1,418.26 mi (2,282.48 km) |
| San Severino Marche to Sivrice | 1,399.31 mi (2,251.97 km) |
| San Severino Marche to Sivrihisar | 985.34 mi (1,585.75 km) |
| San Severino Marche to Sogut | 904.07 mi (1,454.96 km) |
| San Severino Marche to Sogutlu | 900.47 mi (1,449.17 km) |
| San Severino Marche to Soke | 836.69 mi (1,346.53 km) |
| San Severino Marche to Solhan | 1,473.79 mi (2,371.84 km) |
| San Severino Marche to Soma | 799.14 mi (1,286.09 km) |
| San Severino Marche to Sorgun | 1,159.34 mi (1,865.79 km) |
| San Severino Marche to Suhut | 961.47 mi (1,547.33 km) |
