There are
2,789 mi
from Antioch, CA to Greenbelt, MD
That's the driving distance. It would take 2 days 1 hour to go from Antioch, California to Greenbelt, Maryland.
The flight distance (direct flight from Antioch, CA to Greenbelt, MD) is 2,405.28 mi.
2,789 mi = 3.22 kms