There are
2,416 mi
from Chattanooga, TN to Walnut Creek, CA
That's the driving distance. It would take 1 day 18 hours to go from Chattanooga, Tennessee to Walnut Creek, California.
The flight distance (direct flight from Chattanooga, TN to Walnut Creek, CA) is 2,038.42 mi.
2,416 mi = 3.22 kms