There are
1,827 mi
from Walnut Creek, CA to Brenham, TX
That's the driving distance. It would take 1 day 8 hours to go from Walnut Creek, California to Brenham, Texas.
The flight distance (direct flight from Walnut Creek, CA to Brenham, TX) is 1,557.71 mi.
1,827 mi = 2,940.36 kms