There are
2,007 mi
from Downey, CA to Brentwood, TN
That's the driving distance. It would take 1 day 11 hours to go from Downey, California to Brentwood, Tennessee.
The flight distance (direct flight from Downey, CA to Brentwood, TN) is 1,772.89 mi.
2,007 mi = 3.22 kms