| Arcos de la Frontera to Solofra | 1,144.32 mi (1,841.61 km) |
| Arcos de la Frontera to Somma Lombardo | 971.49 mi (1,563.46 km) |
| Arcos de la Frontera to Somma Vesuviana | 1,123.30 mi (1,807.78 km) |
| Arcos de la Frontera to Sommacampagna | 1,049.91 mi (1,689.66 km) |
| Arcos de la Frontera to Sona | 1,050.31 mi (1,690.31 km) |
| Arcos de la Frontera to Sondrio | 1,036.91 mi (1,668.74 km) |
| Arcos de la Frontera to Sora | 1,091.51 mi (1,756.62 km) |
| Arcos de la Frontera to Sorbolo | 1,014.52 mi (1,632.72 km) |
| Arcos de la Frontera to Soresina | 1,004.12 mi (1,615.98 km) |
| Arcos de la Frontera to Sorisole | 1,012.09 mi (1,628.80 km) |
| Arcos de la Frontera to Sorrento | 1,117.75 mi (1,798.84 km) |
| Arcos de la Frontera to Sorso | 822.22 mi (1,323.23 km) |
| Arcos de la Frontera to Sortino | 1,148.26 mi (1,847.95 km) |
| Arcos de la Frontera to Soverato Marina | 1,225.77 mi (1,972.69 km) |
| Arcos de la Frontera to Sovicille | 1,005.45 mi (1,618.12 km) |
