Air distance from Nassau, Bahamas to Ulaanbaatar, Mongolia is 7416.2 Miles (11935.2 Kilometers / 6440.2 Nautical Miles).
Flight duration time from Nassau to Ulaanbaatar is 15 hrs, 24 mins. 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.