| Saint-Louis to Somma Lombardo | 142.23 mi (228.89 km) |
| Saint-Louis to Somma Vesuviana | 574.82 mi (925.08 km) |
| Saint-Louis to Sommacampagna | 217.30 mi (349.71 km) |
| Saint-Louis to Sona | 215.10 mi (346.17 km) |
| Saint-Louis to Sondrio | 146.37 mi (235.57 km) |
| Saint-Louis to Sora | 502.66 mi (808.95 km) |
| Saint-Louis to Sorbolo | 234.22 mi (376.94 km) |
| Saint-Louis to Soresina | 192.82 mi (310.32 km) |
| Saint-Louis to Sorisole | 161.76 mi (260.33 km) |
| Saint-Louis to Sorrento | 587.13 mi (944.90 km) |
| Saint-Louis to Sorso | 471.89 mi (759.44 km) |
| Saint-Louis to Sortino | 813.80 mi (1,309.68 km) |
| Saint-Louis to Soverato Marina | 762.89 mi (1,227.76 km) |
| Saint-Louis to Sovicille | 346.44 mi (557.54 km) |
| Saint-Louis to Spello | 403.01 mi (648.59 km) |
