There are
1,812 mi
from Downey, CA to Germantown, TN
That's the driving distance. It would take 1 day 7 hours to go from Downey, California to Germantown, Tennessee.
The flight distance (direct flight from Downey, CA to Germantown, TN) is 1,609.03 mi.
1,812 mi = 1.61 kms