Miles between Ontario, CA and Naperville, IL

There are
1,953 mi
from Ontario, CA to Naperville, IL

That's the driving distance. It would take 1 day 10 hours to go from Ontario, California to Naperville, Illinois.

The flight distance (direct flight from Ontario, CA to Naperville, IL) is 1,684.48 mi.

1,953 mi = 1.61 kms