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