Necochea is located in La Plata city, Argentina at the -38.5473, -58.7368 coordinates. Distance from Necochea to other cities. are listed below, click on the city name to find distance between. Distance from Necochea to Mar del Plata 119 km, to Quilmes 427 km, to Moron 433 km. The green marker indicates the location of Necochea.