Oyonnax is located in Lyon city, France at the 46.2592, 5.6573 coordinates. Distance from Oyonnax to other cities. are listed below, click on the city name to find distance between. Distance from Oyonnax to Saint-Etienne 134 km, to Grenoble 122 km, to Villeurbanne 81 km. The green marker indicates the location of Oyonnax.