Miles between Centennial, CO and Spencer, IA

There are
684 mi
from Centennial, CO to Spencer, IA

That's the driving distance. It would take 12 hours 56 mins to go from Centennial, Colorado to Spencer, Iowa.

The flight distance (direct flight from Centennial, CO to Spencer, IA) is 561.11 mi.

684 mi = 1,100.82 kms