Greenville, AL
Chicago, Illinois and Atlanta, Georgia are 719 miles apart. A city located halfway between them would be Bonnieville in Kentucky.
Atlanta
Halfway city between Atlanta and Charleston SC
The halfway point from Traverse City, MI. and Atlanta GA. would be Cincinnati, Ohio.
About Birmingham, AL
The halfway point between Atlanta and Fargo is Dunfermline, Illinois
Memphis, TN
The city of Anchorage in Alaska is roughly halfway between Sydney and Chicago, in terms of distance. However, since there are no direct flights between Sydney and Anchorage, it may not be the most practical midpoint for travel purposes.
Memphis, TN
Lexington, KY is about the halfway point.
Chicago has a larger population.
Philladaliphia