Should you decide on the shorter distance route (Northern) your nearest LARGE CITY (near) half-way point would be... Oklahoma City, Oklahoma.
Tallahassee, FL
The halfway point is Douglas, WY, which is in between Casper and Cheyenne, closer to Casper. Cheyenne is the largest city in Wyoming, Casper is second.
The halfway point between Fernley, NV, and Lebanon, OR, is on US-139 at the Tulelake Municipal Airport in California. The nearest large city is Klamath Falls, OR.
Dunkirk NY or Fredonia NY are as close as it gets to a halfway point. The closest large city to the halfway point would be Buffalo NY or Eerie PA. Have fun!
From the Brisbane CBD to Bundaberg is a road distance of about 366 km. Half of that is 183 km. The large town of Gympie is 170 km from the Brisbane CBD, so it is located approximately halfway.
Halfway would be about 128 miles. The nearest large town to the halfway point would be Oxford, NC at 125 miles.
20th
Based on driving miles: Small town: Lake City, TN (off I-75) Large town: Knoxville, TN
Oklahoma City has population of 537,734 people and an area of 621.2 sq. miles.
Because it is halfway between Georgia and Florida.
If traveling by road in a northern route (I76 to I80) then Chicago would be the closest large city at the halfway mark. It taking the southern route (to avoid Chicago and tolls) (I79 to I70 to I465 to I74 to I80) then Bloomington, Il would closest to the halfway mark.