Miles between Billings, MT and Darien, IL

There are
1,223 mi
from Billings, MT to Darien, IL

That's the driving distance. It would take 21 hours 29 mins to go from Billings, Montana to Darien, Illinois.

The flight distance (direct flight from Billings, MT to Darien, IL) is 1,058.21 mi.

1,223 mi = 1.61 kms