Knowing a bit about the transportation options can you save you a headache when you get to your destination. Fly into Killeen, TX (GRK-Killeen-Fort Hood Regional), which is located 27.2 mi (43.8 km) away from the city centre. Otherwise, look for flights into Waco, TX (ACT-Waco Regional), which is 49.8 mi (80.1 km) away. If you'd like to venture out around the area, you may want a rental car for your journey.