There are
1,887 mi
from Walnut Creek, CA to Rosenberg, TX
That's the driving distance. It would take 1 day 8 hours to go from Walnut Creek, California to Rosenberg, Texas.
The flight distance (direct flight from Walnut Creek, CA to Rosenberg, TX) is 1,608.46 mi.
1,887 mi = 3,036.58 kms