Miles between Ontario, CA and Onalaska, WI

There are
1,917 mi
from Ontario, CA to Onalaska, WI

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

The flight distance (direct flight from Ontario, CA to Onalaska, WI) is 1,563.64 mi.

1,917 mi = 1.61 kms