There are
1,768 mi
from Laredo, TX to Walnut Creek, CA
That's the driving distance. It would take 1 day 7 hours to go from Laredo, Texas to Walnut Creek, California.
The flight distance (direct flight from Laredo, TX to Walnut Creek, CA) is 1,489.67 mi.
1,768 mi = 1.61 kms