| Santo Tirso to Solofra | 1,211.15 mi (1,949.16 km) |
| Santo Tirso to Somma Lombardo | 909.07 mi (1,463.01 km) |
| Santo Tirso to Somma Vesuviana | 1,189.41 mi (1,914.16 km) |
| Santo Tirso to Sommacampagna | 1,007.31 mi (1,621.11 km) |
| Santo Tirso to Sona | 1,006.89 mi (1,620.43 km) |
| Santo Tirso to Sondrio | 971.55 mi (1,563.56 km) |
| Santo Tirso to Sora | 1,139.50 mi (1,833.84 km) |
| Santo Tirso to Sorbolo | 982.31 mi (1,580.87 km) |
| Santo Tirso to Soresina | 958.46 mi (1,542.49 km) |
| Santo Tirso to Sorisole | 954.92 mi (1,536.79 km) |
| Santo Tirso to Sorrento | 1,188.92 mi (1,913.38 km) |
| Santo Tirso to Sorso | 887.21 mi (1,427.83 km) |
| Santo Tirso to Sortino | 1,285.63 mi (2,069.02 km) |
| Santo Tirso to Soverato Marina | 1,331.82 mi (2,143.36 km) |
| Santo Tirso to Sovicille | 1,013.18 mi (1,630.55 km) |
