Miles between Ontario, CA and Grafton, WI

There are
2,044 mi
from Ontario, CA to Grafton, WI

That's the driving distance. It would take 1 day 11 hours to go from Ontario, California to Grafton, Wisconsin.

The flight distance (direct flight from Ontario, CA to Grafton, WI) is 1,713.17 mi.

2,044 mi = 3.22 kms