The halfway point between Dallas, Texas and Warren, Ohio is in Centerville, Tennessee.
It is 126 miles according to Google Maps.
Distance between Dallas and Longview Texas:Miles: about 128 if using I-20 or 132mi if using Hwy 276 & US80Time: 1hr 53min for Interstate or 2hrs 27minPublic Transit (train) - 2hrs 35minIt is 126 miles according to Google Maps.
Washburn, TX is the halfway point.
Powderlick, OH.
Amarillo, TX
Dallas
Nashville, TN
1/2 is the halfway point
A rough estimate would be Amarillo, Texas.
Waco!
Turrell, AR