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