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