Miles between Rockford, IL and Sylvania, OH

There are
323 mi
from Rockford, IL to Sylvania, OH

That's the driving distance. It would take 6 hours 21 mins to go from Rockford, Illinois to Sylvania, Ohio.

The flight distance (direct flight from Rockford, IL to Sylvania, OH) is 278.89 mi.

323 mi = 520.48 kms