There are
2,684 mi
from Downey, CA to Havre De Grace, MD
That's the driving distance. It would take 2 days to go from Downey, California to Havre De Grace, Maryland.
The flight distance (direct flight from Downey, CA to Havre De Grace, MD) is 2,338.15 mi.
2,684 mi = 3.22 kms