The I-35 and Highway 60 junction west of Ponca City, OK will be approximately halfway.
The halfway point is Uniontown, Kentucky.
The halfway point between Bluffton, IN and Wichita Falls, TX is around Waynesville or Lebanon, MO.
Kingdom City, MO
Memphis, TN
The halfway point between the cities of Houston, Texas and Denver. Colorado is Wichita Kansas. Each city is about 511 miles away from Wichita.
According to MeetWays, halfway between Cheyenne, Wyoming and Wichita, Kansas would be a point near Brewster, Kansas on I70.
Concordia MO
That would be Wright City, MO which is Exit 200 on I-70 Eastbound, just west of St Louis MO, 391 miles.
The halfway point between Pennsylvania (PA) and Arkansas (AR) is Chilhowee Hills, Tennessee.
Penrose, CO
Grimes, Oklahoma is halfway between Alamogordo and Buffalo
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.