Miles between Diamond Bar, CA and Washington, DC

There are
2,645 mi
from Diamond Bar, CA to Washington, DC

That's the driving distance. It would take 1 day 22 hours to go from Diamond Bar, California to Washington, District of Columbia.

The flight distance (direct flight from Diamond Bar, CA to Washington, DC) is 2,271.52 mi.

2,645 mi = 4,256.88 kms