There are
1,850 mi
from Walnut Creek, CA to Robstown, TX
That's the driving distance. It would take 1 day 7 hours to go from Walnut Creek, California to Robstown, Texas.
The flight distance (direct flight from Walnut Creek, CA to Robstown, TX) is 1,572.60 mi.
1,850 mi = 2,977.17 kms