| Arcos de Valdevez to Solofra | 1,205.40 mi (1,939.90 km) |
| Arcos de Valdevez to Somma Lombardo | 892.33 mi (1,436.06 km) |
| Arcos de Valdevez to Somma Vesuviana | 1,183.69 mi (1,904.96 km) |
| Arcos de Valdevez to Sommacampagna | 991.84 mi (1,596.21 km) |
| Arcos de Valdevez to Sona | 991.34 mi (1,595.41 km) |
| Arcos de Valdevez to Sondrio | 954.10 mi (1,535.47 km) |
| Arcos de Valdevez to Sora | 1,132.21 mi (1,822.11 km) |
| Arcos de Valdevez to Sorbolo | 968.01 mi (1,557.85 km) |
| Arcos de Valdevez to Soresina | 943.00 mi (1,517.61 km) |
| Arcos de Valdevez to Sorisole | 938.37 mi (1,510.15 km) |
| Arcos de Valdevez to Sorrento | 1,183.72 mi (1,905.02 km) |
| Arcos de Valdevez to Sorso | 883.42 mi (1,421.73 km) |
| Arcos de Valdevez to Sortino | 1,286.86 mi (2,071.01 km) |
| Arcos de Valdevez to Soverato Marina | 1,329.57 mi (2,139.74 km) |
| Arcos de Valdevez to Sovicille | 1,002.61 mi (1,613.55 km) |
