| Saint-Sebastien-sur-Loire to Siran | 2,061.79 mi (3,318.13 km) |
| Saint-Sebastien-sur-Loire to Sirnak | 2,308.24 mi (3,714.76 km) |
| Saint-Sebastien-sur-Loire to Sirvan | 2,268.81 mi (3,651.30 km) |
| Saint-Sebastien-sur-Loire to Sivas | 1,976.81 mi (3,181.37 km) |
| Saint-Sebastien-sur-Loire to Sivasli | 1,677.19 mi (2,699.18 km) |
| Saint-Sebastien-sur-Loire to Siverek | 2,152.64 mi (3,464.34 km) |
| Saint-Sebastien-sur-Loire to Sivrice | 2,128.06 mi (3,424.79 km) |
| Saint-Sebastien-sur-Loire to Sivrihisar | 1,730.00 mi (2,784.17 km) |
| Saint-Sebastien-sur-Loire to Sogut | 1,647.92 mi (2,652.07 km) |
| Saint-Sebastien-sur-Loire to Sogutlu | 1,634.25 mi (2,630.06 km) |
| Saint-Sebastien-sur-Loire to Soke | 1,599.67 mi (2,574.43 km) |
| Saint-Sebastien-sur-Loire to Solhan | 2,192.09 mi (3,527.82 km) |
| Saint-Sebastien-sur-Loire to Soma | 1,556.35 mi (2,504.70 km) |
| Saint-Sebastien-sur-Loire to Sorgun | 1,889.03 mi (3,040.11 km) |
| Saint-Sebastien-sur-Loire to Suhut | 1,715.46 mi (2,760.76 km) |
