There are
2,448 mi
from Marietta, GA to Hayward, CA
That's the driving distance. It would take 1 day 19 hours to go from Marietta, Georgia to Hayward, California.
The flight distance (direct flight from Marietta, GA to Hayward, CA) is 2,104.48 mi.
2,448 mi = 3,939.84 kms