Rancagua is a locality located 79.83 km north from Santiago in O'Higgins Region, Chile. The population of Rancagua is 231,370 people. Buin, Penaflor, Puente Alto are located close to Rancagua. You can find Rancagua on any map using the following decimal coordinates: -34.1654 (latitude), -70.7398 (longitude).