For all cities with a population greater than one million, Santiago is closest to Córdoba and farthest from Xi'an. The closest foreign city is Córdoba. See below for the top 5 closest and farthest cities (domestically, internationally and by continent) and to see which cities, if any, Santiago is the closest and farthest to. Filter to include all cities over 100k, 500k or 1 million in population.