There are
1,148 mi
from Lake Charles, LA to Oshkosh, WI
That's the driving distance. It would take 21 hours 52 mins to go from Lake Charles, Louisiana to Oshkosh, Wisconsin.
The flight distance (direct flight from Lake Charles, LA to Oshkosh, WI) is 987.08 mi.
1,148 mi = 1.61 kms