Le Blanc-Mesnil is located in Paris city, France at the 48.9387, 2.4614 coordinates. Distance from Le Blanc-Mesnil to other cities. are listed below, click on the city name to find distance between. Distance from Le Blanc-Mesnil to Cergy-Pontoise 30 km, to Saint-Quentin-en-Yvelines 37 km, to Boulogne-Billancourt 19 km. The green marker indicates the location of Le Blanc-Mesnil.