City comparison
Philadelphia, PA is about 450 miles (750 km) from Royal Oak, 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 Royal Oak, 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 Royal Oak, MI is on Central Time — a 1-hour difference. When it's noon in Philadelphia, it's 11 a.m. in Royal Oak, 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 58,053 in Royal Oak — about 27.4× larger by population. By land area, Philadelphia covers about 135 sq mi vs 12 sq mi for Royal Oak.
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 | Royal Oak | Difference |
|---|---|---|---|
| Median rent | $1,250/mo | $1,260/mo | 0.8% higher in Royal Oak |
| Median home value | $215,500 | $289,800 | 34.5% higher in Royal Oak |
| Median household income | $57,537 | $92,799 | 61.3% higher in Royal Oak |
| Groceries index | 97.0 | 98.6 | 1.6% higher in Royal Oak |
| Utilities index | 112.3 | 105.6 | 6.4% higher in Philadelphia |
| Transportation index | 101.7 | 102.1 | ≈ equal (Royal Oak 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 $93,055 in Royal Oak to maintain your standard of living.
Climate, safety, and demographics side by side.
Royal Oak, MI is about 6.9% cheaper overall than Philadelphia, PA, based on our cost-of-living index. Housing costs are roughly 18% higher in Philadelphia than in Royal Oak. If you earn $80,000 in Philadelphia, you'd need about $74,444 in Royal Oak to keep the same standard of living.