Massy is located in Paris city, France at the 48.7269, 2.283 coordinates. Distance from Massy to other cities. are listed below, click on the city name to find distance between. Distance from Massy to Cergy-Pontoise 38 km, to Saint-Quentin-en-Yvelines 20 km, to Boulogne-Billancourt 12 km. The green marker indicates the location of Massy.