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