There are
1,722 mi
from Garland, TX to Walnut Creek, CA
That's the driving distance. It would take 1 day 6 hours to go from Garland, Texas to Walnut Creek, California.
The flight distance (direct flight from Garland, TX to Walnut Creek, CA) is 1,467.82 mi.
1,722 mi = 1.61 kms