General Alvear Population: 45,000. Located 200 miles South East from Mendoza Capital City, and 56 miles from San Rafael, core of the South Oasis. Latitude 34º 54' South Longitude 67º 43' West This is the doorway to Mendoza from Buenos Aires and Cordoba by route 188. Conects with Malargüe going West by route 173, which reaches El Pehuenche International Pass, crossing to the Chilean City of  Talca to finally link the Atlantic Ocean to the Pacific through the Bioceanic Corridor Distances: To Buenos Aires: 570 miles - To Córdoba: 500 miles - To Mar del Plata 660 miles - To Talca: 310 miles.