| Gretz-Armainvilliers to Settimo Torinese | 344.10 mi (553.77 km) |
| Gretz-Armainvilliers to Seveso | 368.84 mi (593.59 km) |
| Gretz-Armainvilliers to Sezze | 708.78 mi (1,140.67 km) |
| Gretz-Armainvilliers to Siano | 801.39 mi (1,289.71 km) |
| Gretz-Armainvilliers to Siena | 556.57 mi (895.71 km) |
| Gretz-Armainvilliers to Signa | 525.80 mi (846.19 km) |
| Gretz-Armainvilliers to Silea | 496.53 mi (799.09 km) |
| Gretz-Armainvilliers to Silvi Paese | 695.37 mi (1,119.09 km) |
| Gretz-Armainvilliers to Sinalunga | 575.83 mi (926.72 km) |
| Gretz-Armainvilliers to Siniscola | 659.27 mi (1,060.98 km) |
| Gretz-Armainvilliers to Sinnai | 726.39 mi (1,169.00 km) |
| Gretz-Armainvilliers to Siracusa | 1,023.82 mi (1,647.68 km) |
| Gretz-Armainvilliers to Solaro | 368.01 mi (592.26 km) |
| Gretz-Armainvilliers to Soliera | 475.91 mi (765.91 km) |
| Gretz-Armainvilliers to Solofra | 805.38 mi (1,296.14 km) |
