Miles between Great Falls, MT and Piqua, OH

There are
1,638 mi
from Great Falls, MT to Piqua, OH

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

The flight distance (direct flight from Great Falls, MT to Piqua, OH) is 1,432.48 mi.

1,638 mi = 2,636.47 kms