| Seaham to Sinop | 1,863.54 mi (2,999.08 km) |
| Seaham to Siran | 2,102.48 mi (3,383.61 km) |
| Seaham to Sirnak | 2,359.48 mi (3,797.21 km) |
| Seaham to Sirvan | 2,316.36 mi (3,727.82 km) |
| Seaham to Sivas | 2,041.46 mi (3,285.41 km) |
| Seaham to Sivasli | 1,829.98 mi (2,945.06 km) |
| Seaham to Siverek | 2,226.68 mi (3,583.50 km) |
| Seaham to Sivrice | 2,192.51 mi (3,528.51 km) |
| Seaham to Sivrihisar | 1,848.77 mi (2,975.31 km) |
| Seaham to Sogut | 1,770.42 mi (2,849.22 km) |
| Seaham to Sogutlu | 1,738.44 mi (2,797.75 km) |
| Seaham to Soke | 1,788.06 mi (2,877.61 km) |
| Seaham to Solhan | 2,235.08 mi (3,597.01 km) |
| Seaham to Soma | 1,719.42 mi (2,767.14 km) |
| Seaham to Sorgun | 1,968.38 mi (3,167.81 km) |
