There are
1,601 mi
from Walnut Creek, CA to Bethany, OK
That's the driving distance. It would take 1 day 3 hours to go from Walnut Creek, California to Bethany, Oklahoma.
The flight distance (direct flight from Walnut Creek, CA to Bethany, OK) is 1,359.37 mi.
1,601 mi = 2,576.75 kms