There are
1,818 mi
from Great Falls, MT to Ashland, KY
That's the driving distance. It would take 1 day 8 hours to go from Great Falls, Montana to Ashland, Kentucky.
The flight distance (direct flight from Great Falls, MT to Ashland, KY) is 1,565.55 mi.
1,818 mi = 2,926.05 kms