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