There are
2,437 mi
from Roanoke, VA to Placentia, CA
That's the driving distance. It would take 1 day 18 hours to go from Roanoke, Virginia to Placentia, California.
The flight distance (direct flight from Roanoke, VA to Placentia, CA) is 2,130.23 mi.
2,437 mi = 3.22 kms