Miles between Ontario, CA and Round Lake Beach, IL

There are
1,984 mi
from Ontario, CA to Round Lake Beach, IL

That's the driving distance. It would take 1 day 11 hours to go from Ontario, California to Round Lake Beach, Illinois.

The flight distance (direct flight from Ontario, CA to Round Lake Beach, IL) is 1,693.96 mi.

1,984 mi = 1.61 kms