There are
2,460 mi
from Simi Valley, CA to Roanoke, VA
That's the driving distance. It would take 1 day 19 hours to go from Simi Valley, California to Roanoke, Virginia.
The flight distance (direct flight from Simi Valley, CA to Roanoke, VA) is 2,171.98 mi.
2,460 mi = 3,958.77 kms