There are
1,680 mi
from Walnut Creek, CA to Ponca City, OK
That's the driving distance. It would take 1 day 5 hours to go from Walnut Creek, California to Ponca City, Oklahoma.
The flight distance (direct flight from Walnut Creek, CA to Ponca City, OK) is 1,371.19 mi.
1,680 mi = 2,704.09 kms