Mar del Plata is located in La Plata city, Argentina at the -38.0023, -57.5575 coordinates. Distance from Mar del Plata to other cities. are listed below, click on the city name to find distance between. Distance from Mar del Plata to Quilmes 370 km, to Moron 384 km, to Bahia Blanca 419 km. The green marker indicates the location of Mar del Plata.