There are
2,212 mi
from Downey, CA to Sevierville, TN
That's the driving distance. It would take 1 day 14 hours to go from Downey, California to Sevierville, Tennessee.
The flight distance (direct flight from Downey, CA to Sevierville, TN) is 1,953.31 mi.
2,212 mi = 3.22 kms