For all cities with a population greater than five hundred thousand, Phnom Penh is closest to Ho Chi Minh and farthest from Lima. The closest foreign city is Ho Chi Minh and the farthest domestic city is Bat Dambang. See below for the top 5 closest and farthest cities (domestically, internationally and by continent) and to see which cities, if any, Phnom Penh is the closest and farthest to. Filter to include all cities over 100k, 500k or 1 million in population.