There are
1,785 mi
from Great Falls, MT to Berea, KY
That's the driving distance. It would take 1 day 7 hours to go from Great Falls, Montana to Berea, Kentucky.
The flight distance (direct flight from Great Falls, MT to Berea, KY) is 1,525.89 mi.
1,785 mi = 2,873.20 kms