| Syston to Sinop | 1,824.54 mi (2,936.31 km) |
| Syston to Siran | 2,066.05 mi (3,324.99 km) |
| Syston to Sirnak | 2,321.77 mi (3,736.53 km) |
| Syston to Sirvan | 2,279.42 mi (3,668.37 km) |
| Syston to Sivas | 1,998.03 mi (3,215.52 km) |
| Syston to Sivasli | 1,761.51 mi (2,834.88 km) |
| Syston to Siverek | 2,181.96 mi (3,511.53 km) |
| Syston to Sivrice | 2,150.18 mi (3,460.38 km) |
| Syston to Sivrihisar | 1,789.32 mi (2,879.63 km) |
| Syston to Sogut | 1,709.29 mi (2,750.84 km) |
| Syston to Sogutlu | 1,681.82 mi (2,706.63 km) |
| Syston to Soke | 1,710.19 mi (2,752.28 km) |
| Syston to Solhan | 2,198.89 mi (3,538.78 km) |
| Syston to Soma | 1,647.33 mi (2,651.12 km) |
| Syston to Sorgun | 1,920.42 mi (3,090.62 km) |
