There are
1,990 mi
from Montebello, CA to Clarksville, TN
That's the driving distance. It would take 1 day 10 hours to go from Montebello, California to Clarksville, Tennessee.
The flight distance (direct flight from Montebello, CA to Clarksville, TN) is 1,736.10 mi.
1,990 mi = 3,203.02 kms