Miles between Great Falls, MT and Clayton, OH

There are
1,658 mi
from Great Falls, MT to Clayton, OH

That's the driving distance. It would take 1 day 5 hours to go from Great Falls, Montana to Clayton, Ohio.

The flight distance (direct flight from Great Falls, MT to Clayton, OH) is 1,436.83 mi.

1,658 mi = 2,668.09 kms