Newland, Nevada.
Wyoming
A halfway point between Oklahoma City, Oklahoma and Cheyenne, Wyoming would be Collyer, Nebraska.
The halfway point between Casper, Wyoming and Cheyenne, Wyoming is a spot on I25 north of Wheatland, Wyoming.
The halfway point is basically the area where Nebraska, Colorado and Wyoming meet. This is not an exact answer, but in relative terms this is the halfway point between Salmon, Idaho and Kansas City, Missouri. If your looking for a town, then I would say the capitol city of Wyoming (Cheyenne) is pretty much as close as your going to get to a city halfway between Salmon and K.C.
The halfway point between Liverpool, NSW and Newcastle, NSW is Wyoming, NSW
Amarillo tx on the recommended route according to our friends at google maps.
According to MeetWays, halfway between Cheyenne, Wyoming and Wichita, Kansas would be a point near Brewster, Kansas on I70.
The halfway point between Chicago, Illinois and St. Louis, Missouri is McLean, Illinois according to MeetWays.com.
The halfway point would be Mora New Mexico. The closest major city to the halfway point is Albuquerque New Mexico.
Salina Kansas
Charleston, West Virginia is halfway between Norfolk & St Louis