Miles between Ontario, CA and Marion, IA

There are
1,770 mi
from Ontario, CA to Marion, IA

That's the driving distance. It would take 1 day 6 hours to go from Ontario, California to Marion, Iowa.

The flight distance (direct flight from Ontario, CA to Marion, IA) is 1,513.78 mi.

1,770 mi = 1.61 kms