There are
2,447 mi
from Medford, OR to Dayton, OH
That's the driving distance. It would take 1 day 19 hours to go from Medford, Oregon to Dayton, Ohio.
The flight distance (direct flight from Medford, OR to Dayton, OH) is 2,006.31 mi.
2,447 mi = 3,938.54 kms