Miles between Greeley, CO and Spencer, IA

There are
662 mi
from Greeley, CO to Spencer, IA

That's the driving distance. It would take 12 hours 34 mins to go from Greeley, Colorado to Spencer, Iowa.

The flight distance (direct flight from Greeley, CO to Spencer, IA) is 527.05 mi.

662 mi = 1,065.95 kms