There are
2,442 mi
from Roanoke, VA to Downey, CA
That's the driving distance. It would take 1 day 18 hours to go from Roanoke, Virginia to Downey, California.
The flight distance (direct flight from Roanoke, VA to Downey, CA) is 2,143.23 mi.
2,442 mi = 3,929.65 kms