There are
518 mi
from Oshkosh, WI to Frankfort, KY
That's the driving distance. It would take 9 hours 59 mins to go from Oshkosh, Wisconsin to Frankfort, Kentucky.
The flight distance (direct flight from Oshkosh, WI to Frankfort, KY) is 445.30 mi.
518 mi = 834.20 kms