There are
2,729 mi
from Roanoke, VA to Piedmont, CA
That's the driving distance. It would take 2 days to go from Roanoke, Virginia to Piedmont, California.
The flight distance (direct flight from Roanoke, VA to Piedmont, CA) is 2,296.82 mi.
2,729 mi = 4,392.29 kms