There are
1,015 mi
from Greeley, CO to Caledonia, WI
That's the driving distance. It would take 18 hours 26 mins to go from Greeley, Colorado to Caledonia, Wisconsin.
The flight distance (direct flight from Greeley, CO to Caledonia, WI) is 880.98 mi.
1,015 mi = 1.61 kms