| Seaford to Sinop | 1,756.42 mi (2,826.69 km) |
| Seaford to Siran | 1,999.05 mi (3,217.16 km) |
| Seaford to Sirnak | 2,252.62 mi (3,625.25 km) |
| Seaford to Sirvan | 2,211.10 mi (3,558.42 km) |
| Seaford to Sivas | 1,925.10 mi (3,098.14 km) |
| Seaford to Sivasli | 1,667.82 mi (2,684.10 km) |
| Seaford to Siverek | 2,107.12 mi (3,391.08 km) |
| Seaford to Sivrice | 2,077.57 mi (3,343.53 km) |
| Seaford to Sivrihisar | 1,703.28 mi (2,741.16 km) |
| Seaford to Sogut | 1,622.18 mi (2,610.65 km) |
| Seaford to Sogutlu | 1,598.82 mi (2,573.05 km) |
| Seaford to Soke | 1,608.78 mi (2,589.08 km) |
| Seaford to Solhan | 2,131.56 mi (3,430.42 km) |
| Seaford to Soma | 1,551.09 mi (2,496.23 km) |
| Seaford to Sorgun | 1,843.82 mi (2,967.34 km) |
