Voiron is located in Lyon city, France at the 45.364, 5.5921 coordinates. Distance from Voiron to other cities. are listed below, click on the city name to find distance between. Distance from Voiron to Saint-Etienne 94 km, to Grenoble 24 km, to Villeurbanne 71 km. The green marker indicates the location of Voiron.