Air distance from Honolulu, USA to Okayama, Japan is 4234.8 Miles (6815.2 Kilometers / 3677.5 Nautical Miles).
8 hrs, 47 mins is the flight duration between Honolulu and Okayama. 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.