| Siena to Saint-Lo | 714.93 mi (1,150.56 km) |
| Siena to Saint-Loubes | 593.11 mi (954.52 km) |
| Siena to Saint-Louis | 346.81 mi (558.14 km) |
| Siena to Saint-Lys | 509.47 mi (819.91 km) |
| Siena to Saint-Malo | 737.40 mi (1,186.74 km) |
| Siena to Saint-Mande | 572.14 mi (920.77 km) |
| Siena to Saint-Martin-Boulogne | 684.91 mi (1,102.25 km) |
| Siena to Saint-Martin-d'Heres | 303.60 mi (488.59 km) |
| Siena to Saint-Martin-de-Crau | 327.50 mi (527.06 km) |
| Siena to Saint-Maur-des-Fosses | 567.41 mi (913.16 km) |
| Siena to Saint-Maurice | 570.54 mi (918.19 km) |
| Siena to Saint-Max | 445.64 mi (717.18 km) |
| Siena to Saint-Maximin-la-Sainte-Baume | 274.75 mi (442.17 km) |
| Siena to Saint-Medard-en-Jalles | 606.98 mi (976.84 km) |
| Siena to Saint-Michel-sur-Orge | 567.45 mi (913.22 km) |
