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