There are
1,922 mi
from Walnut Creek, CA to Pasadena, TX
That's the driving distance. It would take 1 day 9 hours to go from Walnut Creek, California to Pasadena, Texas.
The flight distance (direct flight from Walnut Creek, CA to Pasadena, TX) is 1,636.04 mi.
1,922 mi = 3,093.09 kms