There are
2,146 mi
from Santa Monica, CA to Chattanooga, TN
That's the driving distance. It would take 1 day 13 hours to go from Santa Monica, California to Chattanooga, Tennessee.
The flight distance (direct flight from Santa Monica, CA to Chattanooga, TN) is 1,881.27 mi.
2,146 mi = 3,453.16 kms