Miles between St Peters, MO and Rock Island, IL

There are
255 mi
from St Peters, MO to Rock Island, IL

That's the driving distance. It would take 5 hours 20 mins to go from St Peters, Missouri to Rock Island, Illinois.

The flight distance (direct flight from St Peters, MO to Rock Island, IL) is 188.70 mi.

255 mi = 409.96 kms