Epinay-sur-Seine is located in Paris city, France at the 48.9535, 2.3151 coordinates. Distance from Epinay-sur-Seine to other cities. are listed below, click on the city name to find distance between. Distance from Épinay-sur-Seine to Cergy-Pontoise 20 km, to Saint-Quentin-en-Yvelines 30 km, to Boulogne-Billancourt 14 km. The green marker indicates the location of Épinay-sur-Seine.