Miles between Dayton, OH and Ontario, OR

There are
1,998 mi
from Dayton, OH to Ontario, OR

That's the driving distance. It would take 1 day 10 hours to go from Dayton, Ohio to Ontario, Oregon.

The flight distance (direct flight from Dayton, OH to Ontario, OR) is 1,699.55 mi.

1,998 mi = 1.61 kms