Miles between Parma, OH and Onalaska, WI

There are
621 mi
from Parma, OH to Onalaska, WI

That's the driving distance. It would take 11 hours 39 mins to go from Parma, Ohio to Onalaska, Wisconsin.

The flight distance (direct flight from Parma, OH to Onalaska, WI) is 512.53 mi.

621 mi = 999.06 kms