There are
2,429 mi
from Downey, CA to Clarksburg, WV
That's the driving distance. It would take 1 day 19 hours to go from Downey, California to Clarksburg, West Virginia.
The flight distance (direct flight from Downey, CA to Clarksburg, WV) is 2,112.40 mi.
2,429 mi = 3.22 kms