Miles between Rockford, IL and St John, IN

There are
121 mi
from Rockford, IL to St John, IN

That's the driving distance. It would take 2 hours 37 mins to go from Rockford, Illinois to St John, Indiana.

The flight distance (direct flight from Rockford, IL to St John, IN) is 100.79 mi.

121 mi = 195.45 kms