There are
1,734 mi
from Boise, ID to Oshkosh, WI
That's the driving distance. It would take 1 day 6 hours to go from Boise, Idaho to Oshkosh, Wisconsin.
The flight distance (direct flight from Boise, ID to Oshkosh, WI) is 1,374.46 mi.
1,734 mi = 1.61 kms