Air distance from Libreville, Gabon to Markham, Canada is 6128 Miles (9862.1 Kilometers / 5321.6 Nautical Miles).
12 hrs, 43 mins is the flight duration between Libreville and Markham. 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.