Miles between Frederick, MD and Lemont, IL

There are
667 mi
from Frederick, MD to Lemont, IL

That's the driving distance. It would take 12 hours 23 mins to go from Frederick, Maryland to Lemont, Illinois.

The flight distance (direct flight from Frederick, MD to Lemont, IL) is 577.15 mi.

667 mi = 1,073.27 kms