Miles between Waterloo, IA and Duncan, OK

There are
735 mi
from Waterloo, IA to Duncan, OK

That's the driving distance. It would take 13 hours 26 mins to go from Waterloo, Iowa to Duncan, Oklahoma.

The flight distance (direct flight from Waterloo, IA to Duncan, OK) is 629.70 mi.

735 mi = 1,183.33 kms