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