Miles between Ontario, CA and Niagara Falls, NY

There are
2,492 mi
from Ontario, CA to Niagara Falls, NY

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

The flight distance (direct flight from Ontario, CA to Niagara Falls, NY) is 2,155.83 mi.

2,492 mi = 3.22 kms