Miles between Rockford, IL and Frederick, MD

There are
741 mi
from Rockford, IL to Frederick, MD

That's the driving distance. It would take 13 hours 56 mins to go from Rockford, Illinois to Frederick, Maryland.

The flight distance (direct flight from Rockford, IL to Frederick, MD) is 641.17 mi.

741 mi = 1,192.25 kms