City comparison
Phoenix, AZ is about 850 miles (1,400 km) from Round Rock, TX in a straight line. By road, the drive is roughly 1,100 miles, or about 18 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 Phoenix, AZ to Round Rock, TX takes about 1 h 44 min, covering roughly 850 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, AZ is on Mountain Time and Round Rock, TX is on Central Time — a 1-hour difference. When it's noon in Phoenix, it's 1 p.m. in Round Rock, which puts Phoenix 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.
Phoenix has a population of 1,609,456, vs 120,465 in Round Rock — about 13.4× larger by population. By land area, Phoenix covers about 520 sq mi vs 38 sq mi for Round Rock.
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 | Phoenix | Round Rock | Difference |
|---|---|---|---|
| Median rent | $1,322/mo | $1,586/mo | 20.0% higher in Round Rock |
| Median home value | $340,200 | $337,500 | 0.8% higher in Phoenix |
| Median household income | $72,092 | $91,888 | 27.5% higher in Round Rock |
| Groceries index | 95.8 | 94.2 | 1.7% higher in Phoenix |
| Utilities index | 96.2 | 83.2 | 15.6% higher in Phoenix |
| Transportation index | 104.1 | 96.6 | 7.7% higher in Phoenix |
| Healthcare index | 104.0 | 96.1 | 8.2% 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 Phoenix, you'd need $96,860 in Round Rock to maintain your standard of living.
Climate, safety, and demographics side by side.
Round Rock, TX is about 3.1% cheaper overall than Phoenix, AZ, based on our cost-of-living index. If you earn $80,000 in Phoenix, you'd need about $77,488 in Round Rock to keep the same standard of living.