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
Fort Hancock, TX
Panhandle, TX
The Oklahoma state line after you leave Missouri.
Stotts City MO
Dallas if you are taking I-95 to I-20 to I-10.
Seguin, TX outside San Antonio