Air distance from Libreville, Gabon to Bismarck, USA is 7135 Miles (11482.6 Kilometers / 6196 Nautical Miles).
14 hrs, 48 mins is the flight duration between Libreville and Bismarck. 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.