| Acton to Solofra | 1,029.51 mi (1,656.84 km) |
| Acton to Somma Lombardo | 573.93 mi (923.65 km) |
| Acton to Somma Vesuviana | 1,013.85 mi (1,631.64 km) |
| Acton to Sommacampagna | 660.64 mi (1,063.19 km) |
| Acton to Sona | 658.46 mi (1,059.69 km) |
| Acton to Sondrio | 589.82 mi (949.23 km) |
| Acton to Sora | 941.73 mi (1,515.56 km) |
| Acton to Sorbolo | 674.09 mi (1,084.84 km) |
| Acton to Soresina | 632.15 mi (1,017.35 km) |
| Acton to Sorisole | 603.05 mi (970.51 km) |
| Acton to Sorrento | 1,025.08 mi (1,649.70 km) |
| Acton to Sorso | 851.49 mi (1,370.33 km) |
| Acton to Sortino | 1,241.48 mi (1,997.98 km) |
| Acton to Soverato Marina | 1,202.13 mi (1,934.64 km) |
| Acton to Sovicille | 781.06 mi (1,256.99 km) |
