| Mostoles to Solofra | 980.87 mi (1,578.56 km) |
| Mostoles to Somma Lombardo | 733.46 mi (1,180.39 km) |
| Mostoles to Somma Vesuviana | 959.15 mi (1,543.60 km) |
| Mostoles to Sommacampagna | 821.75 mi (1,322.47 km) |
| Mostoles to Sona | 821.78 mi (1,322.52 km) |
| Mostoles to Sondrio | 798.69 mi (1,285.37 km) |
| Mostoles to Sora | 914.74 mi (1,472.13 km) |
| Mostoles to Sorbolo | 790.73 mi (1,272.55 km) |
| Mostoles to Soresina | 773.86 mi (1,245.41 km) |
| Mostoles to Sorisole | 776.91 mi (1,250.31 km) |
| Mostoles to Sorrento | 957.10 mi (1,540.31 km) |
| Mostoles to Sorso | 653.39 mi (1,051.53 km) |
| Mostoles to Sortino | 1,039.51 mi (1,672.93 km) |
| Mostoles to Soverato Marina | 1,091.87 mi (1,757.20 km) |
| Mostoles to Sovicille | 802.67 mi (1,291.78 km) |
