There are
2,683 mi
from Alhambra, CA to Greenbelt, MD
That's the driving distance. It would take 1 day 23 hours to go from Alhambra, California to Greenbelt, Maryland.
The flight distance (direct flight from Alhambra, CA to Greenbelt, MD) is 2,294.91 mi.
2,683 mi = 3.22 kms