Air distance from Hanoi, Vietnam to New Delhi, India is 1848.2 Miles (2974.4 Kilometers / 1605 Nautical Miles).
3 hrs, 50 mins is the flight duration between Hanoi and New Delhi. 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.