It takes 3 hours to fly from Melbourne to Christchurch
3 hours
22 hours
About 5 hours.
Just over an hour.
21h 35m
19 hours
8h
The flight time from Vietnam to Melbourne is 8 hours, 58 minutes
The flight time from Cincinnati to Melbourne is 19 hours, 35 minutes
4 hours 3 minutes
approximately 3 hours