Air distance from Honolulu, USA to Kathmandu, Nepal is 7070.3 Miles (11378.6 Kilometers / 6139.9 Nautical Miles).
Flight duration time from Honolulu to Kathmandu is 14 hrs, 40 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.