Air distance from Libreville, Gabon to Buffalo, USA is 6093.8 Miles (9807.1 Kilometers / 5291.9 Nautical Miles).
Flight duration time from Libreville to Buffalo is 12 hrs, 39 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.