Air distance from Tucson, USA to Kiritimati, Kiribati is 3696.5 Miles (5948.9 Kilometers / 3210 Nautical Miles).
7 hrs, 40 mins is the flight duration between Tucson and Kiritimati. 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.