City comparison
Philadelphia, PA is about 450 miles (750 km) from Troy, MI in a straight line. By road, the drive is roughly 550 miles, or about 9 h 30 min 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 Troy, MI takes about 54 min, covering roughly 450 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 Troy, MI is on Central Time — a 1-hour difference. When it's noon in Philadelphia, it's 11 a.m. in Troy, 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 87,170 in Troy — about 18.3× larger by population. By land area, Philadelphia covers about 135 sq mi vs 33 sq mi for Troy.
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 | Troy | Difference |
|---|---|---|---|
| Median rent | $1,250/mo | $1,461/mo | 16.9% higher in Troy |
| Median home value | $215,500 | $375,600 | 74.3% higher in Troy |
| Median household income | $57,537 | $115,639 | 101.0% higher in Troy |
| Groceries index | 97.0 | 98.6 | 1.6% higher in Troy |
| Utilities index | 112.3 | 105.6 | 6.4% higher in Philadelphia |
| Transportation index | 101.7 | 102.1 | ≈ equal (Troy slightly higher) |
| Healthcare index | 102.7 | 102.3 | ≈ equal (Philadelphia slightly higher) |
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 $93,629 in Troy to maintain your standard of living.
Climate, safety, and demographics side by side.
Troy, MI is about 6.4% cheaper overall than Philadelphia, PA, based on our cost-of-living index. Housing costs are roughly 16% higher in Philadelphia than in Troy. If you earn $80,000 in Philadelphia, you'd need about $74,903 in Troy to keep the same standard of living.