Miles between Diamond Bar, CA and Niagara Falls, NY

There are
2,504 mi
from Diamond Bar, CA to Niagara Falls, NY

That's the driving distance. It would take 1 day 20 hours to go from Diamond Bar, California to Niagara Falls, New York.

The flight distance (direct flight from Diamond Bar, CA to Niagara Falls, NY) is 2,164.98 mi.

2,504 mi = 4,030.32 kms