There are
2,624 mi
from Union City, CA to Clarksburg, WV
That's the driving distance. It would take 1 day 22 hours to go from Union City, California to Clarksburg, West Virginia.
The flight distance (direct flight from Union City, CA to Clarksburg, WV) is 2,239.88 mi.
2,624 mi = 3.22 kms