| Ponders End to Sinop | 1,770.30 mi (2,849.02 km) |
| Ponders End to Siran | 2,012.53 mi (3,238.86 km) |
| Ponders End to Sirnak | 2,267.25 mi (3,648.79 km) |
| Ponders End to Sirvan | 2,225.31 mi (3,581.29 km) |
| Ponders End to Sivas | 1,941.40 mi (3,124.37 km) |
| Ponders End to Sivasli | 1,694.38 mi (2,726.85 km) |
| Ponders End to Siverek | 2,124.43 mi (3,418.94 km) |
| Ponders End to Sivrice | 2,093.79 mi (3,369.63 km) |
| Ponders End to Sivrihisar | 1,725.94 mi (2,777.63 km) |
| Ponders End to Sogut | 1,645.34 mi (2,647.92 km) |
| Ponders End to Sogutlu | 1,619.89 mi (2,606.96 km) |
| Ponders End to Soke | 1,639.38 mi (2,638.32 km) |
| Ponders End to Solhan | 2,145.27 mi (3,452.47 km) |
| Ponders End to Soma | 1,578.91 mi (2,541.02 km) |
| Ponders End to Sorgun | 1,861.86 mi (2,996.38 km) |
