| Petite-Synthe to Settimo Torinese | 477.26 mi (768.08 km) |
| Petite-Synthe to Seveso | 484.64 mi (779.95 km) |
| Petite-Synthe to Sezze | 831.80 mi (1,338.65 km) |
| Petite-Synthe to Siano | 919.80 mi (1,480.28 km) |
| Petite-Synthe to Siena | 678.12 mi (1,091.34 km) |
| Petite-Synthe to Signa | 645.26 mi (1,038.45 km) |
| Petite-Synthe to Silea | 587.48 mi (945.46 km) |
| Petite-Synthe to Silvi Paese | 805.86 mi (1,296.91 km) |
| Petite-Synthe to Sinalunga | 695.59 mi (1,119.44 km) |
| Petite-Synthe to Siniscola | 802.99 mi (1,292.29 km) |
| Petite-Synthe to Sinnai | 874.94 mi (1,408.09 km) |
| Petite-Synthe to Siracusa | 1,154.79 mi (1,858.45 km) |
| Petite-Synthe to Solaro | 484.63 mi (779.94 km) |
| Petite-Synthe to Soliera | 587.75 mi (945.89 km) |
| Petite-Synthe to Solofra | 922.85 mi (1,485.19 km) |
