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