There are
1,467 mi
from Missoula, MT to Oshkosh, WI
That's the driving distance. It would take 1 day 1 hour to go from Missoula, Montana to Oshkosh, Wisconsin.
The flight distance (direct flight from Missoula, MT to Oshkosh, WI) is 1,244.87 mi.
1,467 mi = 1.61 kms