Miles between Waterloo, IA and Ballwin, MO

There are
323 mi
from Waterloo, IA to Ballwin, MO

That's the driving distance. It would take 6 hours 23 mins to go from Waterloo, Iowa to Ballwin, Missouri.

The flight distance (direct flight from Waterloo, IA to Ballwin, MO) is 285.33 mi.

323 mi = 519.51 kms