Air distance from Guam, USA to Khon Kaen, Thailand is 2807.2 Miles (4517.8 Kilometers / 2437.8 Nautical Miles).
Flight duration time from Guam to Khon Kaen is 5 hrs, 49 mins. 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.