Franconville is located in Paris city, France at the 48.9833, 2.2333 coordinates. Distance from Franconville to other cities. are listed below, click on the city name to find distance between. Distance from Franconville to Cergy-Pontoise 13 km, to Saint-Quentin-en-Yvelines 28 km, to Boulogne-Billancourt 17 km. The green marker indicates the location of Franconville.