Miles between Palatine, IL and St Peters, MO

There are
321 mi
from Palatine, IL to St Peters, MO

That's the driving distance. It would take 6 hours 7 mins to go from Palatine, Illinois to St Peters, Missouri.

The flight distance (direct flight from Palatine, IL to St Peters, MO) is 266.94 mi.

321 mi = 516.37 kms