Air distance from Singapore, Singapore to Kitakyushu, Japan is 2835 Miles (4562.5 Kilometers / 2461.9 Nautical Miles).
5 hrs, 53 mins is the flight duration between Singapore and Kitakyushu. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.