City comparison
Houston, TX is about 175 miles (275 km) from Killeen, TX in a straight line. By road, the drive is roughly 200 miles, or about 3 h 30 min behind the wheel at highway speeds.
Driving distance is a rough estimate (great-circle × 1.25); driving time assumes a 60 mph blended average. Real trips run 10–20% longer with stops.
A direct flight from Houston, TX to Killeen, TX takes about 20 min, covering roughly 175 miles in a straight line. Connecting itineraries with a layover typically add 1–3 hours.
Block-to-block estimate at ~500 mph cruise, including taxi, climb, and descent — what an airline would publish, not pure airborne time.
Houston has a population of 2,296,253, vs 153,708 in Killeen — about 14.9× larger by population. By land area, Houston covers about 640 sq mi vs 55 sq mi for Killeen.
Population from US Census ACS. Land area from the Census Gazetteer (city proper, excluding inland water).
Cost indices by category, with the US city average (100) marked.
Index: 100 = US city average. Lower is more affordable.
Side-by-side costs, salaries, and sub-category indices.
| Metric | Houston | Killeen | Difference |
|---|---|---|---|
| Median rent | $1,235/mo | $1,084/mo | 13.9% higher in Houston |
| Median home value | $235,000 | $175,400 | 34.0% higher in Houston |
| Median household income | $60,440 | $57,086 | 5.9% higher in Houston |
| Groceries index | 100.4 | 94.2 | 6.6% higher in Houston |
| Utilities index | 96.3 | 82.5 | 16.8% higher in Houston |
| Transportation index | 95.8 | 96.6 | 0.9% higher in Killeen |
| Healthcare index | 95.2 | 96.1 | 1.0% higher in Killeen |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Houston, you'd need $87,304 in Killeen to maintain your standard of living.
Climate, safety, and demographics side by side.
Killeen, TX is about 12.7% cheaper overall than Houston, TX, based on our cost-of-living index. Housing costs are roughly 32% higher in Houston than in Killeen. If you earn $80,000 in Houston, you'd need about $69,843 in Killeen to keep the same standard of living.