Miles between Ontario, CA and Columbia, MO

There are
1,707 mi
from Ontario, CA to Columbia, MO

That's the driving distance. It would take 1 day 5 hours to go from Ontario, California to Columbia, Missouri.

The flight distance (direct flight from Ontario, CA to Columbia, MO) is 1,440.91 mi.

1,707 mi = 1.61 kms