Air distance from London, UK to Honolulu, USA is 7244.3 Miles (11658.6 Kilometers / 6291 Nautical Miles).
Flight duration time from London to Honolulu is 15 hrs, 2 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.