Miles between Rockford, IL and St Peters, MO

There are
314 mi
from Rockford, IL to St Peters, MO

That's the driving distance. It would take 5 hours 52 mins to go from Rockford, Illinois to St Peters, Missouri.

The flight distance (direct flight from Rockford, IL to St Peters, MO) is 254.02 mi.

314 mi = 505.32 kms