Miles between Manchester, NH and Diamond Bar, CA

There are
2,997 mi
from Manchester, NH to Diamond Bar, CA

That's the driving distance. It would take 2 days 5 hours to go from Manchester, New Hampshire to Diamond Bar, California.

The flight distance (direct flight from Manchester, NH to Diamond Bar, CA) is 2,547.59 mi.

2,997 mi = 3.22 kms