There are
1,905 mi
from Walnut Creek, CA to Bay City, TX
That's the driving distance. It would take 1 day 9 hours to go from Walnut Creek, California to Bay City, Texas.
The flight distance (direct flight from Walnut Creek, CA to Bay City, TX) is 1,618.94 mi.
1,905 mi = 3,066.31 kms