Air distance from Hanoi, Vietnam to Yerevan, Armenia is 3793.9 Miles (6105.6 Kilometers / 3294.6 Nautical Miles).
7 hrs, 52 mins is the flight duration between Hanoi and Yerevan. 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.