There are
2,431 mi
from Roanoke, VA to Monrovia, CA
That's the driving distance. It would take 1 day 18 hours to go from Roanoke, Virginia to Monrovia, California.
The flight distance (direct flight from Roanoke, VA to Monrovia, CA) is 2,131.90 mi.
2,431 mi = 3.22 kms