| Saint-Germain-les-Arpajon to Somma Lombardo | 363.42 mi (584.87 km) |
| Saint-Germain-les-Arpajon to Somma Vesuviana | 799.62 mi (1,286.86 km) |
| Saint-Germain-les-Arpajon to Sommacampagna | 460.88 mi (741.72 km) |
| Saint-Germain-les-Arpajon to Sona | 458.99 mi (738.67 km) |
| Saint-Germain-les-Arpajon to Sondrio | 393.44 mi (633.18 km) |
| Saint-Germain-les-Arpajon to Sora | 728.22 mi (1,171.95 km) |
| Saint-Germain-les-Arpajon to Sorbolo | 466.19 mi (750.26 km) |
| Saint-Germain-les-Arpajon to Soresina | 424.96 mi (683.90 km) |
| Saint-Germain-les-Arpajon to Sorisole | 399.56 mi (643.02 km) |
| Saint-Germain-les-Arpajon to Sorrento | 809.58 mi (1,302.89 km) |
| Saint-Germain-les-Arpajon to Sorso | 621.28 mi (999.85 km) |
| Saint-Germain-les-Arpajon to Sortino | 1,017.96 mi (1,638.26 km) |
| Saint-Germain-les-Arpajon to Soverato Marina | 986.85 mi (1,588.19 km) |
| Saint-Germain-les-Arpajon to Sovicille | 565.71 mi (910.42 km) |
| Saint-Germain-les-Arpajon to Spello | 633.00 mi (1,018.72 km) |
