Approximate travel time from St. Louis, Missouri to Perth, Australia is: 22 hrs, 40 mins
Time difference between St. Louis and Perth Please note: this page displays the approximate flight duration time for a non-stop flight. The actual travel time may differ depending on the type and speed of the aircraft.
St. Louis coordinates: latitude: 38° 40' North longitude: 90° 15' West
Perth coordinates: latitude: 31° 58' South longitude: 115° 49' East