| Olton to Solofra | 1,120.53 mi (1,803.32 km) |
| Olton to Somma Lombardo | 665.10 mi (1,070.38 km) |
| Olton to Somma Vesuviana | 1,104.98 mi (1,778.29 km) |
| Olton to Sommacampagna | 750.87 mi (1,208.41 km) |
| Olton to Sona | 748.67 mi (1,204.88 km) |
| Olton to Sondrio | 679.93 mi (1,094.24 km) |
| Olton to Sora | 1,032.83 mi (1,662.18 km) |
| Olton to Sorbolo | 764.99 mi (1,231.14 km) |
| Olton to Soresina | 723.06 mi (1,163.66 km) |
| Olton to Sorisole | 693.74 mi (1,116.47 km) |
| Olton to Sorrento | 1,116.28 mi (1,796.48 km) |
| Olton to Sorso | 941.04 mi (1,514.45 km) |
| Olton to Sortino | 1,332.78 mi (2,144.91 km) |
| Olton to Soverato Marina | 1,293.27 mi (2,081.32 km) |
| Olton to Sovicille | 872.32 mi (1,403.86 km) |
