Air distance from Hobart, Australia to Cheyenne, USA is 8859.5 Miles (14257.9 Kilometers / 7693.6 Nautical Miles).
18 hrs, 23 mins is the flight duration between Hobart and Cheyenne. 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.