Air distance from Libreville, Gabon to Adak, USA is 8844.9 Miles (14234.5 Kilometers / 7680.9 Nautical Miles).
18 hrs, 21 mins is the flight duration between Libreville and Adak. 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.