Miles between Frederick, MD and Rockford, IL

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

That's the driving distance. It would take 13 hours 51 mins to go from Frederick, Maryland to Rockford, Illinois.

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

737 mi = 1,185.84 kms