There are
2,508 mi
from Roanoke, VA to Porterville, CA
That's the driving distance. It would take 1 day 20 hours to go from Roanoke, Virginia to Porterville, California.
The flight distance (direct flight from Roanoke, VA to Porterville, CA) is 2,151.70 mi.
2,508 mi = 4,036.79 kms