There are
2,135 mi
from Chattanooga, TN to Downey, CA
That's the driving distance. It would take 1 day 13 hours to go from Chattanooga, Tennessee to Downey, California.
The flight distance (direct flight from Chattanooga, TN to Downey, CA) is 1,862.30 mi.
2,135 mi = 3.22 kms