TENNESEE
The halfway point between Dallas, Texas and Warren, Ohio is in Centerville, Tennessee.
A rough estimate would be Amarillo, Texas.
Panama city,fl
Four Corners, USA
denver Colorado
The driving distance from Dallas, Texas to Cleveland, Ohio is 1,183 miles / 1904 km
Centerville, tx is roughly the half way point.
The halfway point between Phoenix, Arizona and Dallas, Texas is Eagle Flat, Texas.
The town between Longview and Dallas on I-20 is Canton. It's in Texas.
hwy 71 and I10 west is a good halfway point, if you are traveling I10. Going 290, it would be where the Interstate makes a 90 degree turn (Im not sure of the town).
Hewitt, Texas
Waco is located in central Texas about halfway between Dallas and Austin.