Austin, Brenham
It is 176.02 miles according to MapQuest.
Nacodoches, Texas
dibolil
One halfway point between Edimburgo, TX and Houston, Texas is Lamar, TX.
Greeneville, TN
The halfway point between Houston, Texas and Charlotte, North Carolina falls in Atmore, Alabama.
I believe that would be Centerville, Texas.
Oklahoma City, OK
The halfway point between Grand Forks, North Dakota and Houston, Texas is just north of Emporia, Kansas. It is located near the US56 exit on I335.
The halfway point between the cities of Houston, Texas and Denver. Colorado is Wichita Kansas. Each city is about 511 miles away from Wichita.
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).
Somewhere around Mt Vernon