There are
2,450 mi
from Greensboro, NC to San Dimas, CA
That's the driving distance. It would take 1 day 19 hours to go from Greensboro, North Carolina to San Dimas, California.
The flight distance (direct flight from Greensboro, NC to San Dimas, CA) is 2,139.87 mi.
2,450 mi = 3.22 kms