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