Miles between Ontario, CA and Massena, NY

There are
2,737 mi
from Ontario, CA to Massena, NY

That's the driving distance. It would take 2 days 1 hour to go from Ontario, California to Massena, New York.

The flight distance (direct flight from Ontario, CA to Massena, NY) is 2,369.27 mi.

2,737 mi = 3.22 kms