Miles between Rockville, MD and Downey, CA

There are
2,621 mi
from Rockville, MD to Downey, CA

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

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

2,621 mi = 4,218.13 kms