Air distance from Hobart, Australia to Longueuil, Canada is 10432.7 Miles (16789.9 Kilometers / 9059.8 Nautical Miles).
Flight duration time from Hobart to Longueuil is 21 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.