| Thouare-sur-Loire to Siran | 2,058.72 mi (3,313.20 km) |
| Thouare-sur-Loire to Sirnak | 2,305.33 mi (3,710.07 km) |
| Thouare-sur-Loire to Sirvan | 2,265.86 mi (3,646.55 km) |
| Thouare-sur-Loire to Sivas | 1,973.92 mi (3,176.72 km) |
| Thouare-sur-Loire to Sivasli | 1,674.98 mi (2,695.63 km) |
| Thouare-sur-Loire to Siverek | 2,149.87 mi (3,459.89 km) |
| Thouare-sur-Loire to Sivrice | 2,125.21 mi (3,420.20 km) |
| Thouare-sur-Loire to Sivrihisar | 1,727.50 mi (2,780.13 km) |
| Thouare-sur-Loire to Sogut | 1,645.41 mi (2,648.04 km) |
| Thouare-sur-Loire to Sogutlu | 1,631.57 mi (2,625.75 km) |
| Thouare-sur-Loire to Soke | 1,597.79 mi (2,571.39 km) |
| Thouare-sur-Loire to Solhan | 2,189.08 mi (3,522.98 km) |
| Thouare-sur-Loire to Soma | 1,554.19 mi (2,501.22 km) |
| Thouare-sur-Loire to Sorgun | 1,886.24 mi (3,035.61 km) |
| Thouare-sur-Loire to Suhut | 1,713.17 mi (2,757.09 km) |
