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