Miles between Broomfield, CO and Johnston, IA

There are
675 mi
from Broomfield, CO to Johnston, IA

That's the driving distance. It would take 11 hours 42 mins to go from Broomfield, Colorado to Johnston, Iowa.

The flight distance (direct flight from Broomfield, CO to Johnston, IA) is 606.99 mi.

675 mi = 1,086.77 kms