City comparison
Centennial, CO is about 800 miles (1,300 km) from San Antonio, TX in a straight line. By road, the drive is roughly 1,000 miles, or about 16 hours 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 Centennial, CO to San Antonio, TX takes about 1 h 34 min, covering roughly 800 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.
Centennial, CO is on Mountain Time and San Antonio, TX is on Central Time — a 1-hour difference. When it's noon in Centennial, it's 1 p.m. in San Antonio, which puts Centennial 1 hours behind.
Standard-time offsets. Daylight saving applies in both cities for most of the year (exceptions: Hawaii and most of Arizona), and the gap between the two stays the same.
San Antonio has a population of 1,445,662, vs 107,702 in Centennial — about 13.4× larger by population. By land area, San Antonio covers about 500 sq mi vs 30 sq mi for Centennial.
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 | Centennial | San Antonio | Difference |
|---|---|---|---|
| Median rent | $1,949/mo | $1,189/mo | 63.9% higher in Centennial |
| Median home value | $586,500 | $198,000 | 196.2% higher in Centennial |
| Median household income | $124,617 | $59,593 | 109.1% higher in Centennial |
| Groceries index | 101.2 | 94.2 | 7.5% higher in Centennial |
| Utilities index | 91.2 | 83.3 | 9.5% higher in Centennial |
| Transportation index | 99.9 | 96.6 | 3.4% higher in Centennial |
| Healthcare index | 99.9 | 96.1 | 3.9% higher in Centennial |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Centennial, you'd need $78,735 in San Antonio to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 21.3% cheaper overall than Centennial, CO, based on our cost-of-living index. Housing costs are roughly 56% higher in Centennial than in San Antonio. If you earn $80,000 in Centennial, you'd need about $62,988 in San Antonio to keep the same standard of living.