Miles between Billings, MT and Forest Park, IL

There are
1,220 mi
from Billings, MT to Forest Park, IL

That's the driving distance. It would take 21 hours 22 mins to go from Billings, Montana to Forest Park, Illinois.

The flight distance (direct flight from Billings, MT to Forest Park, IL) is 1,062.46 mi.

1,220 mi = 1.61 kms