There are
1,748 mi
from Dayton, OH to Butte, MT
That's the driving distance. It would take 1 day 6 hours to go from Dayton, Ohio to Butte, Montana.
The flight distance (direct flight from Dayton, OH to Butte, MT) is 1,489.45 mi.
1,748 mi = 2,812.87 kms