Air distance from Guam, USA to Kiritimati, Kiribati is 4064.5 Miles (6541.2 Kilometers / 3529.6 Nautical Miles).
Flight duration time from Guam to Kiritimati is 8 hrs, 26 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.