| Winterthur to Siran | 1,584.89 mi (2,550.63 km) |
| Winterthur to Sirnak | 1,833.35 mi (2,950.49 km) |
| Winterthur to Sirvan | 1,793.32 mi (2,886.06 km) |
| Winterthur to Sivas | 1,502.50 mi (2,418.04 km) |
| Winterthur to Sivasli | 1,222.85 mi (1,967.99 km) |
| Winterthur to Siverek | 1,680.68 mi (2,704.79 km) |
| Winterthur to Sivrice | 1,654.39 mi (2,662.49 km) |
| Winterthur to Sivrihisar | 1,265.32 mi (2,036.33 km) |
| Winterthur to Sogut | 1,183.50 mi (1,904.67 km) |
| Winterthur to Sogutlu | 1,165.06 mi (1,874.98 km) |
| Winterthur to Soke | 1,159.43 mi (1,865.93 km) |
| Winterthur to Solhan | 1,715.82 mi (2,761.35 km) |
| Winterthur to Soma | 1,104.58 mi (1,777.65 km) |
| Winterthur to Sorgun | 1,416.66 mi (2,279.89 km) |
| Winterthur to Suhut | 1,258.14 mi (2,024.78 km) |
