Miles between Ontario, CA and Monroe, WI

There are
1,896 mi
from Ontario, CA to Monroe, WI

That's the driving distance. It would take 1 day 9 hours to go from Ontario, California to Monroe, Wisconsin.

The flight distance (direct flight from Ontario, CA to Monroe, WI) is 1,619.53 mi.

1,896 mi = 1.61 kms