About 18 hours on a commercial Jet, assuming no stops.
if you take direct flight, it takes about 10hrs.
A flight from Melbourne, Australia to Tokyo, Japan will take about 10 hours.
About 20 hours.
9hr 10min Melbourne (MEL) to Bangkok (BKK) by a nonstop flight operated by Thai Airways.
The flight time from Melbourne to Rwanda is 14 hours, 58 minutes.
It will take about 15 hours and 25 minutes.
The flight time from Melbourne, Australia to Paris, France is 20 hours, 52 minutes.
It will take around 1 hour and 20 minutes.
Melbourne, Australia is approximately 1,027 miles away from Queensland. The flight would take about 2 and a half hours on a commercial airline.
You wouldn't be able to get a direct flight to Iowa from Melbourne so I would suggest travelling to LA (14 hour 20 minute approx flight) then catching a connecting flight to Iowa and it depends on where in Iowa you are going and if you can get a direct flight as to how long it would take. Hope this helped.
To get to Melbourne from India, a flight takes about 12 hours. That being said, Melbourne is on the farther side of Australia.
flight time is around 4 hours