For all cities with a population greater than five hundred thousand, Concordia is closest to Santa Fe and farthest from Shanghai. The closest foreign city is Montevideo and the farthest domestic city is Salta. See below for the top 5 closest and farthest cities (domestically, internationally and by continent) and to see which cities, if any, Concordia is the closest and farthest to. Filter to include all cities over 100k, 500k or 1 million in population.