There are
646 mi
from Greeley, CO to Overland Park, KS
That's the driving distance. It would take 11 hours 5 mins to go from Greeley, Colorado to Overland Park, Kansas.
The flight distance (direct flight from Greeley, CO to Overland Park, KS) is 542.51 mi.
646 mi = 1,040.18 kms