There are
301 mi
from Oshkosh, WI to Champlin, MN
That's the driving distance. It would take 5 hours 50 mins to go from Oshkosh, Wisconsin to Champlin, Minnesota.
The flight distance (direct flight from Oshkosh, WI to Champlin, MN) is 251.95 mi.
301 mi = 484.07 kms