There are
1,507 mi
from Walnut Creek, CA to Altus, OK
That's the driving distance. It would take 1 day 2 hours to go from Walnut Creek, California to Altus, Oklahoma.
The flight distance (direct flight from Walnut Creek, CA to Altus, OK) is 1,282.86 mi.
1,507 mi = 2,425.50 kms