Miles between St Peters, MO and Spencer, IA

There are
505 mi
from St Peters, MO to Spencer, IA

That's the driving distance. It would take 10 hours 3 mins to go from St Peters, Missouri to Spencer, Iowa.

The flight distance (direct flight from St Peters, MO to Spencer, IA) is 383.42 mi.

505 mi = 812.12 kms