There are
2,455 mi
from Walnut Creek, CA to Marietta, GA
That's the driving distance. It would take 1 day 19 hours to go from Walnut Creek, California to Marietta, Georgia.
The flight distance (direct flight from Walnut Creek, CA to Marietta, GA) is 2,102.37 mi.
2,455 mi = 3,950.37 kms