Miles between Columbia, MO and Ontario, OR

There are
1,550 mi
from Columbia, MO to Ontario, OR

That's the driving distance. It would take 1 day 2 hours to go from Columbia, Missouri to Ontario, Oregon.

The flight distance (direct flight from Columbia, MO to Ontario, OR) is 1,316.51 mi.

1,550 mi = 1.61 kms