City comparison
Allen, TX is about 1,300 miles (2,100 km) from Philadelphia, PA in a straight line. By road, the drive is roughly 1,600 miles, or about 27 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 Allen, TX to Philadelphia, PA takes about 2 h 34 min, covering roughly 1,300 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.
Allen, TX is on Central Time and Philadelphia, PA is on Eastern Time — a 1-hour difference. When it's noon in Allen, it's 1 p.m. in Philadelphia, which puts Allen 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.
Philadelphia has a population of 1,593,208, vs 105,444 in Allen — about 15.1× larger by population. By land area, Philadelphia covers about 135 sq mi vs 26 sq mi for Allen.
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 | Allen | Philadelphia | Difference |
|---|---|---|---|
| Median rent | $1,747/mo | $1,250/mo | 39.8% higher in Allen |
| Median home value | $390,200 | $215,500 | 81.1% higher in Allen |
| Median household income | $121,259 | $57,537 | 110.7% higher in Allen |
| Groceries index | 102.5 | 97.0 | 5.6% higher in Allen |
| Utilities index | 91.1 | 112.3 | 23.3% higher in Philadelphia |
| Transportation index | 99.8 | 101.7 | 2.0% higher in Philadelphia |
| Healthcare index | 99.2 | 102.7 | 3.5% 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 Allen, you'd need $98,571 in Philadelphia to maintain your standard of living.
Climate, safety, and demographics side by side.
Philadelphia, PA is about 1.4% cheaper overall than Allen, TX, based on our cost-of-living index. Housing costs are roughly 7% higher in Allen than in Philadelphia. If you earn $80,000 in Allen, you'd need about $78,857 in Philadelphia to keep the same standard of living.