There are
1,861 mi
from Downey, CA to Dyersburg, TN
That's the driving distance. It would take 1 day 8 hours to go from Downey, California to Dyersburg, Tennessee.
The flight distance (direct flight from Downey, CA to Dyersburg, TN) is 1,627.82 mi.
1,861 mi = 2,995.74 kms