Miles between St Louis, MO and Johnston, IA

There are
357 mi
from St Louis, MO to Johnston, IA

That's the driving distance. It would take 7 hours 6 mins to go from St Louis, Missouri to Johnston, Iowa.

The flight distance (direct flight from St Louis, MO to Johnston, IA) is 280.19 mi.

357 mi = 574.63 kms