| Seaham to Solofra | 1,218.69 mi (1,961.29 km) |
| Seaham to Somma Lombardo | 770.97 mi (1,240.76 km) |
| Seaham to Somma Vesuviana | 1,205.02 mi (1,939.30 km) |
| Seaham to Sommacampagna | 844.34 mi (1,358.83 km) |
| Seaham to Sona | 841.99 mi (1,355.05 km) |
| Seaham to Sondrio | 773.67 mi (1,245.11 km) |
| Seaham to Sora | 1,133.03 mi (1,823.44 km) |
| Seaham to Sorbolo | 865.14 mi (1,392.31 km) |
| Seaham to Soresina | 823.93 mi (1,325.99 km) |
| Seaham to Sorisole | 792.53 mi (1,275.46 km) |
| Seaham to Sorrento | 1,217.76 mi (1,959.80 km) |
| Seaham to Sorso | 1,071.32 mi (1,724.12 km) |
| Seaham to Sortino | 1,444.18 mi (2,324.18 km) |
| Seaham to Soverato Marina | 1,392.52 mi (2,241.04 km) |
| Seaham to Sovicille | 977.44 mi (1,573.03 km) |
