Miles between St Louis, MO and Spencer, IA

There are
529 mi
from St Louis, MO to Spencer, IA

That's the driving distance. It would take 10 hours 31 mins to go from St Louis, Missouri to Spencer, Iowa.

The flight distance (direct flight from St Louis, MO to Spencer, IA) is 405.02 mi.

529 mi = 852.11 kms