Miles between Billings, MT and River Forest, IL

There are
1,217 mi
from Billings, MT to River Forest, IL

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

The flight distance (direct flight from Billings, MT to River Forest, IL) is 1,061.98 mi.

1,217 mi = 1.61 kms