Air distance from Majuro, Marshall Islands to Cardiff, UK is 8391.4 Miles (13504.7 Kilometers / 7287.1 Nautical Miles).
Flight duration time from Majuro to Cardiff is 17 hrs, 25 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.