Air distance from Tucson, USA to Cardiff, UK is 5192.1 Miles (8355.9 Kilometers / 4508.9 Nautical Miles).
10 hrs, 46 mins is the flight duration between Tucson and Cardiff. 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.