| Upminster to Solofra | 1,014.35 mi (1,632.45 km) |
| Upminster to Somma Lombardo | 559.25 mi (900.02 km) |
| Upminster to Somma Vesuviana | 998.95 mi (1,607.66 km) |
| Upminster to Sommacampagna | 644.27 mi (1,036.86 km) |
| Upminster to Sona | 642.07 mi (1,033.32 km) |
| Upminster to Sondrio | 573.32 mi (922.66 km) |
| Upminster to Sora | 926.78 mi (1,491.50 km) |
| Upminster to Sorbolo | 658.72 mi (1,060.11 km) |
| Upminster to Soresina | 616.81 mi (992.65 km) |
| Upminster to Sorisole | 587.31 mi (945.19 km) |
| Upminster to Sorrento | 1,010.40 mi (1,626.09 km) |
| Upminster to Sorso | 842.01 mi (1,355.08 km) |
| Upminster to Sortino | 1,228.52 mi (1,977.12 km) |
| Upminster to Soverato Marina | 1,187.27 mi (1,910.73 km) |
| Upminster to Sovicille | 766.66 mi (1,233.81 km) |
