Miles between Ontario, CA and Collinsville, IL

There are
1,809 mi
from Ontario, CA to Collinsville, IL

That's the driving distance. It would take 1 day 7 hours to go from Ontario, California to Collinsville, Illinois.

The flight distance (direct flight from Ontario, CA to Collinsville, IL) is 1,565.54 mi.

1,809 mi = 1.61 kms