Miles between Frederick, MD and Effingham, IL

There are
669 mi
from Frederick, MD to Effingham, IL

That's the driving distance. It would take 12 hours 48 mins to go from Frederick, Maryland to Effingham, Illinois.

The flight distance (direct flight from Frederick, MD to Effingham, IL) is 595.49 mi.

669 mi = 1,076.04 kms