Air distance from Hobart, Australia to Houston, USA is 8913.2 Miles (14344.4 Kilometers / 7740.2 Nautical Miles).
Flight duration time from Hobart to Houston is 18 hrs, 30 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.