There are
878 mi
from Dayton, OH to Fergus Falls, MN
That's the driving distance. It would take 16 hours 30 mins to go from Dayton, Ohio to Fergus Falls, Minnesota.
The flight distance (direct flight from Dayton, OH to Fergus Falls, MN) is 749.45 mi.
878 mi = 1,412.69 kms