Air distance from Hanoi, Vietnam to Dushanbe, Tajikistan is 2501.8 Miles (4026.3 Kilometers / 2172.6 Nautical Miles).
5 hrs, 11 mins is the flight duration between Hanoi and Dushanbe. 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.