Antofagasta is a locality located 1090.42 km south from Santiago in Antofagasta Region, Chile. The population of Antofagasta is 348,517 people. Alto Hospicio, Arica, Calama are located close to Antofagasta. You can find Antofagasta on any map using the following decimal coordinates: -23.6464 (latitude), -70.398 (longitude).