Miles between Boulder, CO and Altoona, IA

There are
698 mi
from Boulder, CO to Altoona, IA

That's the driving distance. It would take 12 hours 7 mins to go from Boulder, Colorado to Altoona, Iowa.

The flight distance (direct flight from Boulder, CO to Altoona, IA) is 626.53 mi.

698 mi = 1,122.68 kms