Miles between Frederick, MD and Alton, IL

There are
771 mi
from Frederick, MD to Alton, IL

That's the driving distance. It would take 14 hours 41 mins to go from Frederick, Maryland to Alton, Illinois.

The flight distance (direct flight from Frederick, MD to Alton, IL) is 684.80 mi.

771 mi = 1,240.54 kms