Air distance from Hanoi, Vietnam to Tallinn, Estonia is 4665.5 Miles (7508.5 Kilometers / 4051.6 Nautical Miles).
9 hrs, 41 mins is the flight duration between Hanoi and Tallinn. 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.