| San Marino to Solofra | 6,456.42 mi (10,390.60 km) |
| San Marino to Somma Lombardo | 6,001.31 mi (9,658.17 km) |
| San Marino to Somma Vesuviana | 6,441.12 mi (10,365.99 km) |
| San Marino to Sommacampagna | 6,084.15 mi (9,791.50 km) |
| San Marino to Sona | 6,081.87 mi (9,787.82 km) |
| San Marino to Sondrio | 6,013.05 mi (9,677.07 km) |
| San Marino to Sora | 6,368.94 mi (10,249.83 km) |
| San Marino to Sorbolo | 6,100.72 mi (9,818.16 km) |
| San Marino to Soresina | 6,058.84 mi (9,750.77 km) |
| San Marino to Sorisole | 6,028.92 mi (9,702.61 km) |
| San Marino to Sorrento | 6,452.48 mi (10,384.26 km) |
| San Marino to Sorso | 6,249.70 mi (10,057.93 km) |
| San Marino to Sortino | 6,663.68 mi (10,724.15 km) |
| San Marino to Soverato Marina | 6,629.44 mi (10,669.05 km) |
| San Marino to Sovicille | 6,208.43 mi (9,991.51 km) |
