| Guipavas to Settimo Torinese | 618.33 mi (995.10 km) |
| Guipavas to Seveso | 664.96 mi (1,070.15 km) |
| Guipavas to Sezze | 975.83 mi (1,570.45 km) |
| Guipavas to Siano | 1,072.75 mi (1,726.42 km) |
| Guipavas to Siena | 833.17 mi (1,340.86 km) |
| Guipavas to Signa | 807.18 mi (1,299.03 km) |
| Guipavas to Silea | 807.48 mi (1,299.52 km) |
| Guipavas to Silvi Paese | 981.43 mi (1,579.46 km) |
| Guipavas to Sinalunga | 854.15 mi (1,374.63 km) |
| Guipavas to Siniscola | 879.37 mi (1,415.21 km) |
| Guipavas to Sinnai | 923.31 mi (1,485.93 km) |
| Guipavas to Siracusa | 1,264.17 mi (2,034.48 km) |
| Guipavas to Solaro | 663.29 mi (1,067.47 km) |
| Guipavas to Soliera | 769.62 mi (1,238.59 km) |
| Guipavas to Solofra | 1,078.11 mi (1,735.06 km) |
