Air distance from Guam, USA to Managua, Nicaragua is 8549.5 Miles (13759.2 Kilometers / 7424.4 Nautical Miles).
Flight duration time from Guam to Managua is 17 hrs, 45 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.