Miles between Billings, MT and Lemont, IL

There are
1,231 mi
from Billings, MT to Lemont, IL

That's the driving distance. It would take 21 hours 34 mins to go from Billings, Montana to Lemont, Illinois.

The flight distance (direct flight from Billings, MT to Lemont, IL) is 1,058.84 mi.

1,231 mi = 1.61 kms