San Justo is a locality located 17.97 km east-northeast from Buenos Aires in Buenos Aires Province, Argentina. The population of San Justo is 136,604 people. Caseros, Castelar, Gregorio de Laferrere are located close to San Justo. You can find San Justo on any map using the following decimal coordinates: -34.6833 (latitude), -58.55 (longitude).