What is the distance from killeen Texas to kilgore Texas?

265 miles taking this route:

1. Take U.S. 190 EAST to I-35 NORTH.
2. Stay on I-35 NORTH to I-35E NORTH to Dallas; then take I-35E NORTH to I-20 EAST to SHREVEPORT at EXIT 418B.
3. Take I-20 EAST to Kilgore.