There are
2,039 mi
from Walnut Creek, CA to Crestwood, MO
That's the driving distance. It would take 1 day 11 hours to go from Walnut Creek, California to Crestwood, Missouri.
The flight distance (direct flight from Walnut Creek, CA to Crestwood, MO) is 1,711.60 mi.
2,039 mi = 3,281.62 kms