Miles between Concord, CA and Duncan, OK

There are
1,606 mi
from Concord, CA to Duncan, OK

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

The flight distance (direct flight from Concord, CA to Duncan, OK) is 1,358.89 mi.

1,606 mi = 1.61 kms