For all cities with a population greater than one million, Nakhon Si Thammarat is closest to Medan and farthest from Lima. The closest foreign city is Medan and the farthest domestic city is Bangkok. See below for the top 5 closest and farthest cities (domestically, internationally and by continent) and to see which cities, if any, Nakhon Si Thammarat is the closest and farthest to. Filter to include all cities over 100k, 500k or 1 million in population.