There are
1,661 mi
from Great Falls, MT to Bucyrus, OH
That's the driving distance. It would take 1 day 6 hours to go from Great Falls, Montana to Bucyrus, Ohio.
The flight distance (direct flight from Great Falls, MT to Bucyrus, OH) is 1,468.74 mi.
1,661 mi = 2,673.45 kms