| Gouveia to Solofra | 1,173.56 mi (1,888.67 km) |
| Gouveia to Somma Lombardo | 894.90 mi (1,440.21 km) |
| Gouveia to Somma Vesuviana | 1,151.81 mi (1,853.66 km) |
| Gouveia to Sommacampagna | 989.86 mi (1,593.02 km) |
| Gouveia to Sona | 989.61 mi (1,592.62 km) |
| Gouveia to Sondrio | 958.72 mi (1,542.91 km) |
| Gouveia to Sora | 1,104.92 mi (1,778.20 km) |
| Gouveia to Sorbolo | 962.38 mi (1,548.80 km) |
| Gouveia to Soresina | 941.17 mi (1,514.66 km) |
| Gouveia to Sorisole | 940.10 mi (1,512.95 km) |
| Gouveia to Sorrento | 1,150.39 mi (1,851.37 km) |
| Gouveia to Sorso | 847.09 mi (1,363.26 km) |
| Gouveia to Sortino | 1,236.16 mi (1,989.41 km) |
| Gouveia to Soverato Marina | 1,287.90 mi (2,072.67 km) |
| Gouveia to Sovicille | 985.33 mi (1,585.74 km) |
