There are
1,973 mi
from Walnut Creek, CA to San Benito, TX
That's the driving distance. It would take 1 day 10 hours to go from Walnut Creek, California to San Benito, Texas.
The flight distance (direct flight from Walnut Creek, CA to San Benito, TX) is 1,638.92 mi.
1,973 mi = 3,175.71 kms