There are
1,943 mi
from Oshkosh, WI to Monroe, WA
That's the driving distance. It would take 1 day 10 hours to go from Oshkosh, Wisconsin to Monroe, Washington.
The flight distance (direct flight from Oshkosh, WI to Monroe, WA) is 1,614.82 mi.
1,943 mi = 3,126.64 kms