There are
2,312 mi
from Walnut Creek, CA to Gallatin, TN
That's the driving distance. It would take 1 day 16 hours to go from Walnut Creek, California to Gallatin, Tennessee.
The flight distance (direct flight from Walnut Creek, CA to Gallatin, TN) is 1,952.49 mi.
2,312 mi = 3,720.17 kms