Air distance from Honolulu, USA to Yaounde, Cameroon is 10568.8 Miles (17008.9 Kilometers / 9178 Nautical Miles).
21 hrs, 56 mins is the flight duration between Honolulu and Yaounde. 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.