Miles between Greeley, CO and Merriam, KS

There are
644 mi
from Greeley, CO to Merriam, KS

That's the driving distance. It would take 11 hours to go from Greeley, Colorado to Merriam, Kansas.

The flight distance (direct flight from Greeley, CO to Merriam, KS) is 540.64 mi.

644 mi = 1,036.17 kms