There are
2,734 mi
from Greensboro, NC to Brentwood, CA
That's the driving distance. It would take 2 days to go from Greensboro, North Carolina to Brentwood, California.
The flight distance (direct flight from Greensboro, NC to Brentwood, CA) is 2,296.26 mi.
2,734 mi = 4,399.39 kms