City comparison
Centennial, CO is about 600 miles (950 km) from Phoenix, AZ in a straight line. By road, the drive is roughly 700 miles, or about 12 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 Phoenix, AZ takes about 1 h 9 min, covering roughly 600 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.
Phoenix has a population of 1,609,456, vs 107,702 in Centennial — about 14.9× larger by population. By land area, Phoenix covers about 520 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 | Phoenix | Difference |
|---|---|---|---|
| Median rent | $1,949/mo | $1,322/mo | 47.4% higher in Centennial |
| Median home value | $586,500 | $340,200 | 72.4% higher in Centennial |
| Median household income | $124,617 | $72,092 | 72.9% higher in Centennial |
| Groceries index | 101.2 | 95.8 | 5.6% higher in Centennial |
| Utilities index | 91.2 | 96.2 | 5.5% higher in Phoenix |
| Transportation index | 99.9 | 104.1 | 4.2% higher in Phoenix |
| Healthcare index | 99.9 | 104.0 | 4.2% higher in Phoenix |
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 $90,886 in Phoenix to maintain your standard of living.
Climate, safety, and demographics side by side.
Phoenix, AZ is about 9.1% cheaper overall than Centennial, CO, based on our cost-of-living index. Housing costs are roughly 23% higher in Centennial than in Phoenix. If you earn $80,000 in Centennial, you'd need about $72,709 in Phoenix to keep the same standard of living.