There are
2,455 mi
from Roanoke, VA to Poway, CA
That's the driving distance. It would take 1 day 18 hours to go from Roanoke, Virginia to Poway, California.
The flight distance (direct flight from Roanoke, VA to Poway, CA) is 2,103.96 mi.
2,455 mi = 3.22 kms