There are
827 mi
from Greeley, CO to Keokuk, IA
That's the driving distance. It would take 15 hours 4 mins to go from Greeley, Colorado to Keokuk, Iowa.
The flight distance (direct flight from Greeley, CO to Keokuk, IA) is 699.78 mi.
827 mi = 1,330.22 kms