Air distance from Honolulu, USA to Yokohama, Japan is 3900 Miles (6276.4 Kilometers / 3386.8 Nautical Miles).
Flight duration time from Honolulu to Yokohama is 8 hrs, 5 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.