There are
2,478 mi
from Greensboro, NC to Downey, CA
That's the driving distance. It would take 1 day 19 hours to go from Greensboro, North Carolina to Downey, California.
The flight distance (direct flight from Greensboro, NC to Downey, CA) is 2,160.86 mi.
2,478 mi = 3.22 kms