| Seaford to Solofra | 984.59 mi (1,584.55 km) |
| Seaford to Somma Lombardo | 528.74 mi (850.92 km) |
| Seaford to Somma Vesuviana | 968.49 mi (1,558.64 km) |
| Seaford to Sommacampagna | 618.55 mi (995.46 km) |
| Seaford to Sona | 616.44 mi (992.06 km) |
| Seaford to Sondrio | 548.22 mi (882.28 km) |
| Seaford to Sora | 896.51 mi (1,442.79 km) |
| Seaford to Sorbolo | 629.94 mi (1,013.79 km) |
| Seaford to Soresina | 588.05 mi (946.37 km) |
| Seaford to Sorisole | 559.77 mi (900.86 km) |
| Seaford to Sorrento | 979.33 mi (1,576.09 km) |
| Seaford to Sorso | 799.76 mi (1,287.09 km) |
| Seaford to Sortino | 1,193.11 mi (1,920.12 km) |
| Seaford to Soverato Marina | 1,156.59 mi (1,861.35 km) |
| Seaford to Sovicille | 735.07 mi (1,182.97 km) |
