| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siadors | city | Midi-Pyrenees | France | 43.26 | 0.74 | 1095 | 1444 |
| Siant-Michel | city | Nord-Pas-de-Calais | France | 50.38 | 2.36 | 341 | 9913 |
| Siant-Michel-sur-Ternoise | city | Nord-Pas-de-Calais | France | 50.38 | 2.36 | 341 | 9913 |
| Siant-Mitre | city | Provence-Alpes-Cote d'Azur | France | 43.28 | 5.53 | 393 | 157039 |
| Siant-Remimont | city | Lorraine | France | 48.50 | 6.25 | 1099 | 3160 |
| Siardeix | city | Limousin | France | 45.70 | 1.48 | 1669 | 1825 |
| Siarrouy | city | Midi-Pyrenees | France | 43.32 | 0.04 | 830 | 9065 |
| Sias | city | Rhone-Alpes | France | 44.26 | 5.34 | 2509 | 844 |
| Siaugues | city | Auvergne | France | 45.09 | 3.63 | 3418 | 1610 |
| Siaugues-Saint-Romain | city | Auvergne | France | 45.09 | 3.63 | 3418 | 1610 |
| Siaugues-Sainte-Marie | city | Auvergne | France | 45.09 | 3.63 | 3418 | 1610 |