Air distance from Hanoi, Vietnam to Doha, Qatar is 3433.6 Miles (5525.8 Kilometers / 2981.7 Nautical Miles).
7 hrs, 7 mins is the flight duration between Hanoi and Doha. 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.