Miles between Walnut Creek, CA and Duncan, OK

There are
1,595 mi
from Walnut Creek, CA to Duncan, OK

That's the driving distance. It would take 1 day 4 hours to go from Walnut Creek, California to Duncan, Oklahoma.

The flight distance (direct flight from Walnut Creek, CA to Duncan, OK) is 1,360.51 mi.

1,595 mi = 2,567.33 kms