There are
2,380 mi
from Rialto, CA to Clarksburg, WV
That's the driving distance. It would take 1 day 18 hours to go from Rialto, California to Clarksburg, West Virginia.
The flight distance (direct flight from Rialto, CA to Clarksburg, WV) is 2,067.49 mi.
2,380 mi = 3,829.68 kms