| Amposta to Solofra | 745.86 mi (1,200.35 km) |
| Amposta to Somma Lombardo | 533.65 mi (858.82 km) |
| Amposta to Somma Vesuviana | 724.14 mi (1,165.39 km) |
| Amposta to Sommacampagna | 610.65 mi (982.75 km) |
| Amposta to Sona | 611.04 mi (983.37 km) |
| Amposta to Sondrio | 598.84 mi (963.75 km) |
| Amposta to Sora | 680.45 mi (1,095.08 km) |
| Amposta to Sorbolo | 575.68 mi (926.47 km) |
| Amposta to Soresina | 564.84 mi (909.02 km) |
| Amposta to Sorisole | 573.35 mi (922.71 km) |
| Amposta to Sorrento | 722.11 mi (1,162.12 km) |
| Amposta to Sorso | 418.42 mi (673.39 km) |
| Amposta to Sortino | 813.26 mi (1,308.82 km) |
| Amposta to Soverato Marina | 859.20 mi (1,382.75 km) |
| Amposta to Sovicille | 574.66 mi (924.83 km) |
