Miles between St Peters, MO and Deerfield, IL

There are
331 mi
from St Peters, MO to Deerfield, IL

That's the driving distance. It would take 6 hours 21 mins to go from St Peters, Missouri to Deerfield, Illinois.

The flight distance (direct flight from St Peters, MO to Deerfield, IL) is 275.64 mi.

331 mi = 533.35 kms