| Port-de-Bouc to Somma Lombardo | 241.16 mi (388.11 km) |
| Port-de-Bouc to Somma Vesuviana | 514.37 mi (827.80 km) |
| Port-de-Bouc to Sommacampagna | 320.39 mi (515.61 km) |
| Port-de-Bouc to Sona | 320.57 mi (515.90 km) |
| Port-de-Bouc to Sondrio | 306.15 mi (492.70 km) |
| Port-de-Bouc to Sora | 454.09 mi (730.78 km) |
| Port-de-Bouc to Sorbolo | 288.45 mi (464.22 km) |
| Port-de-Bouc to Soresina | 273.36 mi (439.94 km) |
| Port-de-Bouc to Sorisole | 280.56 mi (451.52 km) |
| Port-de-Bouc to Sorrento | 518.19 mi (833.95 km) |
| Port-de-Bouc to Sorso | 257.40 mi (414.25 km) |
| Port-de-Bouc to Sortino | 681.83 mi (1,097.30 km) |
| Port-de-Bouc to Soverato Marina | 684.25 mi (1,101.19 km) |
| Port-de-Bouc to Sovicille | 313.82 mi (505.05 km) |
| Port-de-Bouc to Spello | 387.95 mi (624.34 km) |
