There are
2,684 mi
from Garden Grove, CA to Greenbelt, MD
That's the driving distance. It would take 1 day 23 hours to go from Garden Grove, California to Greenbelt, Maryland.
The flight distance (direct flight from Garden Grove, CA to Greenbelt, MD) is 2,292.88 mi.
2,684 mi = 4,319.15 kms