Miles between Billings, MT and Alton, IL

There are
1,274 mi
from Billings, MT to Alton, IL

That's the driving distance. It would take 22 hours 30 mins to go from Billings, Montana to Alton, Illinois.

The flight distance (direct flight from Billings, MT to Alton, IL) is 1,046.37 mi.

1,274 mi = 1.61 kms