There are
2,441 mi
from Downey, CA to Roanoke, VA
That's the driving distance. It would take 1 day 18 hours to go from Downey, California to Roanoke, Virginia.
The flight distance (direct flight from Downey, CA to Roanoke, VA) is 2,143.23 mi.
2,441 mi = 3,927.69 kms