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