Miles between Downey, CA and Rockville, MD

There are
2,620 mi
from Downey, CA to Rockville, MD

That's the driving distance. It would take 1 day 22 hours to go from Downey, California to Rockville, Maryland.

The flight distance (direct flight from Downey, CA to Rockville, MD) is 2,283.80 mi.

2,620 mi = 4,215.99 kms