| Gretz-Armainvilliers to Somma Lombardo | 350.59 mi (564.22 km) |
| Gretz-Armainvilliers to Somma Vesuviana | 788.71 mi (1,269.30 km) |
| Gretz-Armainvilliers to Sommacampagna | 445.92 mi (717.63 km) |
| Gretz-Armainvilliers to Sona | 443.96 mi (714.48 km) |
| Gretz-Armainvilliers to Sondrio | 377.54 mi (607.60 km) |
| Gretz-Armainvilliers to Sora | 717.03 mi (1,153.95 km) |
| Gretz-Armainvilliers to Sorbolo | 453.04 mi (729.10 km) |
| Gretz-Armainvilliers to Soresina | 411.51 mi (662.26 km) |
| Gretz-Armainvilliers to Sorisole | 385.14 mi (619.82 km) |
| Gretz-Armainvilliers to Sorrento | 799.04 mi (1,285.94 km) |
| Gretz-Armainvilliers to Sorso | 618.68 mi (995.67 km) |
| Gretz-Armainvilliers to Sortino | 1,010.41 mi (1,626.10 km) |
| Gretz-Armainvilliers to Soverato Marina | 976.38 mi (1,571.33 km) |
| Gretz-Armainvilliers to Sovicille | 554.84 mi (892.92 km) |
| Gretz-Armainvilliers to Spello | 620.87 mi (999.20 km) |
