| Guipavas to Somma Lombardo | 644.33 mi (1,036.94 km) |
| Guipavas to Somma Vesuviana | 1,059.01 mi (1,704.30 km) |
| Guipavas to Sommacampagna | 748.21 mi (1,204.12 km) |
| Guipavas to Sona | 746.61 mi (1,201.55 km) |
| Guipavas to Sondrio | 685.61 mi (1,103.37 km) |
| Guipavas to Sora | 990.69 mi (1,594.36 km) |
| Guipavas to Sorbolo | 745.30 mi (1,199.45 km) |
| Guipavas to Soresina | 706.59 mi (1,137.15 km) |
| Guipavas to Sorisole | 685.95 mi (1,103.93 km) |
| Guipavas to Sorrento | 1,066.33 mi (1,716.09 km) |
| Guipavas to Sorso | 826.13 mi (1,329.54 km) |
| Guipavas to Sortino | 1,249.47 mi (2,010.82 km) |
| Guipavas to Soverato Marina | 1,240.38 mi (1,996.20 km) |
| Guipavas to Sovicille | 830.16 mi (1,336.02 km) |
| Guipavas to Spello | 902.95 mi (1,453.15 km) |
