There are
2,120 mi
from Downey, CA to Crossville, TN
That's the driving distance. It would take 1 day 13 hours to go from Downey, California to Crossville, Tennessee.
The flight distance (direct flight from Downey, CA to Crossville, TN) is 1,871.18 mi.
2,120 mi = 3.22 kms