City comparison
Philadelphia, PA is about 1,400 miles (2,300 km) from Round Rock, TX in a straight line. By road, the drive is roughly 1,800 miles, or about 30 hours (about 3 days at 10 h/day) 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 Philadelphia, PA to Round Rock, TX takes about 2 h 51 min, covering roughly 1,400 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.
Philadelphia, PA is on Eastern Time and Round Rock, TX is on Central Time — a 1-hour difference. When it's noon in Philadelphia, it's 11 a.m. in Round Rock, which puts Philadelphia 1 hours ahead.
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.
Philadelphia has a population of 1,593,208, vs 120,465 in Round Rock — about 13.2× larger by population. By land area, Philadelphia covers about 135 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 | Philadelphia | Round Rock | Difference |
|---|---|---|---|
| Median rent | $1,250/mo | $1,586/mo | 26.9% higher in Round Rock |
| Median home value | $215,500 | $337,500 | 56.6% higher in Round Rock |
| Median household income | $57,537 | $91,888 | 59.7% higher in Round Rock |
| Groceries index | 97.0 | 94.2 | 3.0% higher in Philadelphia |
| Utilities index | 112.3 | 83.2 | 35.0% higher in Philadelphia |
| Transportation index | 101.7 | 96.6 | 5.3% higher in Philadelphia |
| Healthcare index | 102.7 | 96.1 | 6.8% higher in Philadelphia |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Philadelphia, you'd need $98,993 in Round Rock to maintain your standard of living.
Climate, safety, and demographics side by side.
Round Rock, TX is about 1% cheaper overall than Philadelphia, PA, based on our cost-of-living index. Housing costs are roughly 8% higher in Round Rock than in Philadelphia. If you earn $80,000 in Philadelphia, you'd need about $79,194 in Round Rock to keep the same standard of living.