Depending on where you started in Texas, generally East. From some parts of Texas you would travel North East to reach Arkansas.
Louisiana is bordered by Arkansas to the north, Mississippi to the east, Texas to the west, and the Gulf of Mexico to the south.
Arkansas
Texas and Louisiana
Travelling from Austin, Texas to Nashville, Tennessee you would travel northeast 860 miles through Arkansas and then across Tennessee on Interstate 40.
Right now One Direction is not planning on going Arkansas, sorry
Arkansas-13 Texas-21
Colorado is the width of the Okklahoma Panhandle away from Texas while Texas and Arkansas share a common border.
The main difference is that Texarkana, Texas is located in the state of Texas, while Texarkana, Arkansas is located in the state of Arkansas. The cities share a border and are divided by State Line Avenue, which serves as the boundary between the two states.
Arkansas borders directly on Texas. Colorado is separated by the Oklahoma panhandle, so Arkansas is closer, Colorado is further.
Overall, the arkansas river flows east.
Texas borders Arkansas.