Miles between Downey, CA and Watertown, MA

There are
2,985 mi
from Downey, CA to Watertown, MA

That's the driving distance. It would take 2 days 5 hours to go from Downey, California to Watertown, Massachusetts.

The flight distance (direct flight from Downey, CA to Watertown, MA) is 2,582.41 mi.

2,985 mi = 3.22 kms