There are
1,014 mi
from Greeley, CO to Oshkosh, WI
That's the driving distance. It would take 18 hours 52 mins to go from Greeley, Colorado to Oshkosh, Wisconsin.
The flight distance (direct flight from Greeley, CO to Oshkosh, WI) is 862.13 mi.
1,014 mi = 1.61 kms