Miles between Billings, MT and Marion, IL

There are
1,387 mi
from Billings, MT to Marion, IL

That's the driving distance. It would take 1 day to go from Billings, Montana to Marion, Illinois.

The flight distance (direct flight from Billings, MT to Marion, IL) is 1,147.47 mi.

1,387 mi = 1.61 kms