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