Halfway between Corinth, MS, and Phoenix, AZ, is approximately near the area of Amarillo, TX. This location is roughly equidistant from both cities and offers various amenities and services for travelers. Amarillo is known for landmarks such as the Cadillac Ranch and is a good stopping point on the journey between these two locations.
Phoenix, AZ.
Oklahoma City is a halfway point between Ironton, Ohio and Phoenix, AZ.
On a map, it looks to be close to Eagle Mountain.
Kingman
Little Rock, Arkansas
Guymon, Oklahoma is half way between Phoenix and Colchester, Illinois
Panhandle, TX
Fort Hancock, TX
The Oklahoma state line after you leave Missouri.
Dallas if you are taking I-95 to I-20 to I-10.
Stotts City MO
Seguin, TX outside San Antonio