| Douglas to Somma Lombardo | 886.74 mi (1,427.07 km) |
| Douglas to Somma Vesuviana | 1,320.18 mi (2,124.62 km) |
| Douglas to Sommacampagna | 983.59 mi (1,582.93 km) |
| Douglas to Sona | 981.63 mi (1,579.78 km) |
| Douglas to Sondrio | 914.99 mi (1,472.54 km) |
| Douglas to Sora | 1,249.44 mi (2,010.77 km) |
| Douglas to Sorbolo | 989.54 mi (1,592.51 km) |
| Douglas to Soresina | 948.35 mi (1,526.22 km) |
| Douglas to Sorisole | 922.67 mi (1,484.89 km) |
| Douglas to Sorrento | 1,329.32 mi (2,139.34 km) |
| Douglas to Sorso | 1,110.47 mi (1,787.13 km) |
| Douglas to Sortino | 1,526.98 mi (2,457.43 km) |
| Douglas to Soverato Marina | 1,506.03 mi (2,423.72 km) |
| Douglas to Sovicille | 1,086.81 mi (1,749.06 km) |
| Douglas to Spello | 1,155.64 mi (1,859.82 km) |
