Miles between Dubuque, IA and Duncan, OK

There are
813 mi
from Dubuque, IA to Duncan, OK

That's the driving distance. It would take 14 hours 47 mins to go from Dubuque, Iowa to Duncan, Oklahoma.

The flight distance (direct flight from Dubuque, IA to Duncan, OK) is 678.31 mi.

813 mi = 1,308.62 kms