| Sittingbourne to Sinop | 1,733.84 mi (2,790.34 km) |
| Sittingbourne to Siran | 1,976.21 mi (3,180.40 km) |
| Sittingbourne to Sirnak | 2,230.63 mi (3,589.86 km) |
| Sittingbourne to Sirvan | 2,188.80 mi (3,522.54 km) |
| Sittingbourne to Sivas | 1,904.32 mi (3,064.70 km) |
| Sittingbourne to Sivasli | 1,655.25 mi (2,663.87 km) |
| Sittingbourne to Siverek | 2,087.12 mi (3,358.89 km) |
| Sittingbourne to Sivrice | 2,056.75 mi (3,310.01 km) |
| Sittingbourne to Sivrihisar | 1,687.45 mi (2,715.68 km) |
| Sittingbourne to Sogut | 1,606.75 mi (2,585.81 km) |
| Sittingbourne to Sogutlu | 1,581.69 mi (2,545.49 km) |
| Sittingbourne to Soke | 1,599.77 mi (2,574.59 km) |
| Sittingbourne to Solhan | 2,108.89 mi (3,393.93 km) |
| Sittingbourne to Soma | 1,539.61 mi (2,477.76 km) |
| Sittingbourne to Sorgun | 1,824.35 mi (2,936.01 km) |
