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