Oakville, MO
Erie, CO
The halfway point between Chicago Illinois and Winnsboro Texas is Portageville, Missouri.
Thornton, IN
Van Buren Point, New York is halfway between Chicago & Montpelier
Pasadena, Texas is halfway between Austin & Baton Rouge
lisbon
Hubbard, OH
Cave, Missouri is halfway between Fayetteville & Chicago
Cheyenne, WY
Elk City, OK
Greensburg, Indiana- seems to be about the halfway point. That should be about 3.5 hrs from HUNTINGTON to Greensburg then 3.5 hrs to CHICAGO.
The city at the geographic halfway point between Sydney, Australia and Chicago, IL is Banana, Kiribati. The closest major city that is roughly halfway is Honolulu, HI.