There are
1,873 mi
from Walnut Creek, CA to Kingsville, TX
That's the driving distance. It would take 1 day 8 hours to go from Walnut Creek, California to Kingsville, Texas.
The flight distance (direct flight from Walnut Creek, CA to Kingsville, TX) is 1,573.30 mi.
1,873 mi = 3,013.94 kms