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