For all cities with a population greater than one million, Sibu is closest to Singapore and farthest from Manaus. The closest foreign city is Singapore and the farthest domestic city is Kuala Lumpur. See below for the top 5 closest and farthest cities (domestically, internationally and by continent) and to see which cities, if any, Sibu is the closest and farthest to. Filter to include all cities over 100k, 500k or 1 million in population.