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