Air distance from Libreville, Gabon to Denver, USA is 7461.4 Miles (12007.9 Kilometers / 6479.5 Nautical Miles).
Flight duration time from Libreville to Denver is 15 hrs, 29 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.