| San Mateo to Solofra | 6,382.08 mi (10,270.97 km) |
| San Mateo to Somma Lombardo | 5,930.66 mi (9,544.47 km) |
| San Mateo to Somma Vesuviana | 6,368.11 mi (10,248.49 km) |
| San Mateo to Sommacampagna | 6,007.80 mi (9,668.62 km) |
| San Mateo to Sona | 6,005.45 mi (9,664.84 km) |
| San Mateo to Sondrio | 5,937.05 mi (9,554.77 km) |
| San Mateo to Sora | 6,295.99 mi (10,132.42 km) |
| San Mateo to Sorbolo | 6,027.57 mi (9,700.44 km) |
| San Mateo to Soresina | 5,986.01 mi (9,633.55 km) |
| San Mateo to Sorisole | 5,955.12 mi (9,583.83 km) |
| San Mateo to Sorrento | 6,380.50 mi (10,268.42 km) |
| San Mateo to Sorso | 6,197.13 mi (9,973.32 km) |
| San Mateo to Sortino | 6,600.70 mi (10,622.81 km) |
| San Mateo to Soverato Marina | 6,555.90 mi (10,550.70 km) |
| San Mateo to Sovicille | 6,138.19 mi (9,878.45 km) |
