Miles between Great Falls, MT and Lyons, IL

There are
1,377 mi
from Great Falls, MT to Lyons, IL

That's the driving distance. It would take 1 day to go from Great Falls, Montana to Lyons, Illinois.

The flight distance (direct flight from Great Falls, MT to Lyons, IL) is 1,213.62 mi.

1,377 mi = 2,215.84 kms