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