Now, disclaimer, this answers is based on getting to the heart of Chicago not the suburb.
Mapquest says it takes 2 hours 54 minutes to go 160.33 miles from Chicago to Galena.
My family and I, however, usually can make it to O'Hare from Galena in a little more than 2 hours.
The route:
Hopefully this helps!
It is 164 miles according to Google Maps.
The address of the Chicago Athenaeum is: 601 S Prospect St, Galena, IL 61036-2519
It is 332 miles according to Google Maps.
198 miles
Olmsted, Illinois is 360 miles south of Chicago.
90 miles down I-90.
No, he does not.
The address of the Illinois Historic Preservation Agency Galena Sites is: , Galena, IL 61032
It is 31.9 miles according to Google Maps.
It is 30.7 miles according to Google Maps.
It is 217 miles according to Google Maps.
It is 236 miles according to Google Maps.
It is 29.8 miles according to Google Maps.