Miles between Ontario, CA and Platteville, WI

There are
1,858 mi
from Ontario, CA to Platteville, WI

That's the driving distance. It would take 1 day 8 hours to go from Ontario, California to Platteville, Wisconsin.

The flight distance (direct flight from Ontario, CA to Platteville, WI) is 1,579.89 mi.

1,858 mi = 1.61 kms