There are
1,352 mi
from Walnut Creek, CA to Amarillo, TX
That's the driving distance. It would take 23 hours 40 mins to go from Walnut Creek, California to Amarillo, Texas.
The flight distance (direct flight from Walnut Creek, CA to Amarillo, TX) is 1,135.77 mi.
1,352 mi = 2,176.50 kms