Miles between Columbia, MO and Ontario, CA

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

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

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

1,707 mi = 1.61 kms