San Isidro is located in La Plata city, Argentina at the -34.4715, -58.5078 coordinates. Distance from San Isidro to other cities. are listed below, click on the city name to find distance between. Distance from San Isidro to Mar del Plata 402 km, to Quilmes 37 km, to Moron 23 km. The green marker indicates the location of San Isidro.