There are
2,460 mi
from Chattanooga, TN to Petaluma, CA
That's the driving distance. It would take 1 day 19 hours to go from Chattanooga, Tennessee to Petaluma, California.
The flight distance (direct flight from Chattanooga, TN to Petaluma, CA) is 2,067.15 mi.
2,460 mi = 3,959.59 kms