Miles between St Louis, MO and Marion, IA

There are
290 mi
from St Louis, MO to Marion, IA

That's the driving distance. It would take 5 hours 50 mins to go from St Louis, Missouri to Marion, Iowa.

The flight distance (direct flight from St Louis, MO to Marion, IA) is 246.54 mi.

290 mi = 467.51 kms