There are
2,497 mi
from Greensboro, NC to Simi Valley, CA
That's the driving distance. It would take 1 day 20 hours to go from Greensboro, North Carolina to Simi Valley, California.
The flight distance (direct flight from Greensboro, NC to Simi Valley, CA) is 2,190.88 mi.
2,497 mi = 3.22 kms