Air distance from Jacksonville, USA to Guam, USA is 8154.7 Miles (13123.6 Kilometers / 7081.5 Nautical Miles).
Flight duration time from Jacksonville to Guam is 16 hrs, 55 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.