| Şehir | Eyalet, İl, Bölge |
|---|
| ›Obenheim | Grand Est› |
| ›Oberbronn | Grand Est› |
| ›Oberdorf-Spachbach | Grand Est› |
| ›Oberhausbergen | Grand Est› |
| ›Oberhoffen-les-Wissembourg | Grand Est› |
| ›Oberhoffen-sur-Moder | Grand Est› |
| ›Oberlarg | Grand Est› |
| ›Obermodern-Zutzendorf | Grand Est› |
| ›Obernai | Grand Est› |
| ›Obersaasheim | Grand Est› |
| ›Oberschaeffolsheim | Grand Est› |
| ›Octeville | Manche› |
| ›Odratzheim | Grand Est› |
| ›Offwiller | Grand Est› |
| ›Ohnenheim | Grand Est› |
| ›Ohnheim | Grand Est› |
| ›Oisseau | Pays de la Loire› |
| ›Ollioules | Provence-Alpes-Cote d'Azur› |
| ›Olmet | Auvergne-Rhône-Alpes› |
| ›Olmeto | Corsica› |
| ›Oltingue | Grand Est› |
| ›Olwisheim | Grand Est› |
| ›Onsac | Auvergne-Rhône-Alpes› |
| ›Orange | Vaucluse› |
| ›Orchies | Nord-Pas-de-Calais› |
| ›Orleans | Centre› |
| ›Ornans | Franche-Comté› |
| ›Ornex | Rhône-Alpes› |
| ›Orthez | Pyrénées-Atlantiques› |
| ›Ortigier | Auvergne-Rhône-Alpes› |
| ›Orvault | Loire-Atlantique› |
| ›Osly-Courtil | Picardie› |
| ›Osmanville | Basse-Normandie› |
| ›Osthouse | Grand Est› |
| ›Ostwald | Grand Est› |
| ›Ottersthal | Grand Est› |
| ›Otterswiller | Grand Est› |
| ›Ottmarsheim | Grand Est› |
| ›Ouilly-du-Houley | Basse-Normandie› |
| ›Ouilly-le-Vicomte | Basse-Normandie› |
| ›Ouistreham | Basse-Normandie› |
| ›Oulches-la-Vallée-Foulon | Picardie› |
| ›Oulchy-la-Ville | Picardie› |
| ›Oulchy-le-Château | Picardie› |
| ›Oyonnax | Rhône-Alpes› |
