There are
643 mi
from Dayton, OH to Neosho, MO
That's the driving distance. It would take 12 hours 7 mins to go from Dayton, Ohio to Neosho, Missouri.
The flight distance (direct flight from Dayton, OH to Neosho, MO) is 586.29 mi.
643 mi = 1,034.48 kms