| Delaware to Solofra | 4,831.51 mi (7,775.57 km) |
| Delaware to Somma Lombardo | 4,387.72 mi (7,061.36 km) |
| Delaware to Somma Vesuviana | 4,812.52 mi (7,745.00 km) |
| Delaware to Sommacampagna | 4,486.19 mi (7,219.82 km) |
| Delaware to Sona | 4,484.26 mi (7,216.72 km) |
| Delaware to Sondrio | 4,417.82 mi (7,109.79 km) |
| Delaware to Sora | 4,743.83 mi (7,634.45 km) |
| Delaware to Sorbolo | 4,490.49 mi (7,226.75 km) |
| Delaware to Soresina | 4,449.79 mi (7,161.24 km) |
| Delaware to Sorisole | 4,424.96 mi (7,121.28 km) |
| Delaware to Sorrento | 4,819.85 mi (7,756.79 km) |
| Delaware to Sorso | 4,564.04 mi (7,345.11 km) |
| Delaware to Sortino | 4,991.85 mi (8,033.60 km) |
| Delaware to Soverato Marina | 4,993.19 mi (8,035.77 km) |
| Delaware to Sovicille | 4,582.40 mi (7,374.66 km) |
