Air distance from Libreville, Gabon to Longueuil, Canada is 5846.8 Miles (9409.5 Kilometers / 5077.4 Nautical Miles).
Flight duration time from Libreville to Longueuil is 12 hrs, 8 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.