Miles between St Joseph, MO and Mt Prospect, IL

There are
509 mi
from St Joseph, MO to Mt Prospect, IL

That's the driving distance. It would take 9 hours 28 mins to go from St Joseph, Missouri to Mt Prospect, Illinois.

The flight distance (direct flight from St Joseph, MO to Mt Prospect, IL) is 393.81 mi.

509 mi = 819.52 kms