Southwest.
Texas to Kansas city, KS, is 1° East of true North. Texas to Kansas city, MO, is 2° East of true North.
You would travel northeast.
Travel north.
southwest
noeth
Due north.
You would be traveling northwest.
One would be traveling northwest.
North, maybe northwest.
You would travel southwest
Departing Texas you would travel north to reach South Dakota.
You would travel due north.