There are
2,576 mi
from Downey, CA to Hagerstown, MD
That's the driving distance. It would take 1 day 22 hours to go from Downey, California to Hagerstown, Maryland.
The flight distance (direct flight from Downey, CA to Hagerstown, MD) is 2,251.23 mi.
2,576 mi = 3.22 kms