Miles between Ontario, CA and Mandan, ND

There are
1,550 mi
from Ontario, CA to Mandan, ND

That's the driving distance. It would take 1 day 3 hours to go from Ontario, California to Mandan, North Dakota.

The flight distance (direct flight from Ontario, CA to Mandan, ND) is 1,241.71 mi.

1,550 mi = 1.61 kms