There are
1,227 mi
from Jacksonville, FL to Oshkosh, WI
That's the driving distance. It would take 23 hours 4 mins to go from Jacksonville, Florida to Oshkosh, Wisconsin.
The flight distance (direct flight from Jacksonville, FL to Oshkosh, WI) is 1,018.25 mi.
1,227 mi = 1.61 kms