Northwest.
from Amarillo to El Paso, you would go southwest
Southwest.
You would travel southwest
Lewisville is north of Dallas.
Amarillo, Texas to El Paso, Texas 6 h 51 min (437.6 mi) via I-40 W and US-54 WThe general direction is westerly.
There going to dallas today.
South, you will have travelled south. More accurately, there are two major routes. The quickest is I-40 to Albuquerque, NM (which is a west southwest direction) to I-25 south to El Paso. Or, you can take the scenic route of I-27 south to Stanton, TX then I-20 west southwest to El Paso. Both of which should be noted travel in a generally southerly direction from Amarillo in the Panhandle to El Paso in west Texas.
You would haf 2 go South
South because the USA is in the northern hemisphere.
If its a small town probably not, but they do go to texas often. They go to Dallas and some of the bigger cities
Southeast
You would head southwest.