Air distance from Libreville, Gabon to Seattle, USA is 8046.5 Miles (12949.5 Kilometers / 6987.6 Nautical Miles).
Flight duration time from Libreville to Seattle is 16 hrs, 42 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.