There are
1,462 mi
from Oshkosh, WI to Ammon, ID
That's the driving distance. It would take 1 day 1 hour to go from Oshkosh, Wisconsin to Ammon, Idaho.
The flight distance (direct flight from Oshkosh, WI to Ammon, ID) is 1,165.87 mi.
1,462 mi = 2,352.84 kms