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