Miles between Ontario, CA and Dayton, OH

There are
2,148 mi
from Ontario, CA to Dayton, OH

That's the driving distance. It would take 1 day 14 hours to go from Ontario, California to Dayton, Ohio.

The flight distance (direct flight from Ontario, CA to Dayton, OH) is 1,878.41 mi.

2,148 mi = 3.22 kms