Miles between Great Falls, MT and Gary, IN

There are
1,406 mi
from Great Falls, MT to Gary, IN

That's the driving distance. It would take 1 day 1 hour to go from Great Falls, Montana to Gary, Indiana.

The flight distance (direct flight from Great Falls, MT to Gary, IN) is 1,242.20 mi.

1,406 mi = 2,263.49 kms