| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sias | city | Rhone-Alpes | France | 44.26 | 5.34 | 2509 | 844 |
| Siccieu | city | Rhone-Alpes | France | 45.74 | 5.32 | 987 | 4383 |
| Siccieu-Saint Julien | city | Rhone-Alpes | France | 45.74 | 5.32 | 987 | 4383 |
| Siccieu-Saint Julien-Carisieu | city | Rhone-Alpes | France | 45.74 | 5.32 | 987 | 4383 |
| Siccieu-Saint-Julien-et-Carisieu | city | Rhone-Alpes | France | 45.74 | 5.32 | 987 | 4383 |
| Siergue | city | Rhone-Alpes | France | 45.77 | 3.96 | 1886 | 5504 |
| Sievoz | city | Rhone-Alpes | France | 44.90 | 5.84 | 2509 | 6130 |
| Silhac | city | Rhone-Alpes | France | 44.88 | 4.61 | 1738 | 2556 |
| Silignieu | city | Rhone-Alpes | France | 45.72 | 5.64 | 951 | 7808 |
| Sillans | city | Rhone-Alpes | France | 45.34 | 5.39 | 1669 | 7252 |
| Sillignieu | city | Rhone-Alpes | France | 45.72 | 5.64 | 951 | 7808 |
| Sillingy | city | Rhone-Alpes | France | 45.95 | 6.03 | 1669 | 20567 |
| Simandre | city | Rhone-Alpes | France | 46.22 | 5.42 | 1781 | 3070 |
| Simandre-sur-Suran | city | Rhone-Alpes | France | 46.22 | 5.42 | 1781 | 3070 |
| Simandres | city | Rhone-Alpes | France | 45.62 | 4.87 | 830 | 29579 |
| Sinard | city | Rhone-Alpes | France | 44.95 | 5.66 | 2509 | 3115 |
| Sion | city | Rhone-Alpes | France | 45.92 | 5.91 | 1181 | 7493 |
| Sisteron | city | Rhone-Alpes | France | 44.70 | 5.15 | 830 | 2135 |
| Sixt | city | Rhone-Alpes | France | 46.05 | 6.78 | 5029 | 1387 |
| Siéz | city | Rhone-Alpes | France | 46.33 | 6.38 | 1669 | 10870 |