There are
1,646 mi
from Walnut Creek, CA to Shawnee, OK
That's the driving distance. It would take 1 day 4 hours to go from Walnut Creek, California to Shawnee, Oklahoma.
The flight distance (direct flight from Walnut Creek, CA to Shawnee, OK) is 1,401.22 mi.
1,646 mi = 2,648.44 kms