City comparison
Dayton, OH is about 475 miles (750 km) from Philadelphia, PA in a straight line. By road, the drive is roughly 600 miles, or about 10 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 Dayton, OH to Philadelphia, PA takes about 58 min, covering roughly 475 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.
Dayton, OH is on Central Time and Philadelphia, PA is on Eastern Time — a 1-hour difference. When it's noon in Dayton, it's 1 p.m. in Philadelphia, which puts Dayton 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 137,305 in Dayton — about 11.6× larger by population. By land area, Philadelphia covers about 135 sq mi vs 56 sq mi for Dayton.
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 | Dayton | Philadelphia | Difference |
|---|---|---|---|
| Median rent | $830/mo | $1,250/mo | 50.6% higher in Philadelphia |
| Median home value | $86,200 | $215,500 | 150.0% higher in Philadelphia |
| Median household income | $41,443 | $57,537 | 38.8% higher in Philadelphia |
| Groceries index | 93.9 | 97.0 | 3.4% higher in Philadelphia |
| Utilities index | 95.1 | 112.3 | 18.2% higher in Philadelphia |
| Transportation index | 98.8 | 101.7 | 3.0% higher in Philadelphia |
| Healthcare index | 99.0 | 102.7 | 3.8% 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 Dayton, you'd need $123,086 in Philadelphia to maintain your standard of living.
Climate, safety, and demographics side by side.
Dayton, OH is about 18.8% cheaper overall than Philadelphia, PA, based on our cost-of-living index. Housing costs are roughly 55% higher in Philadelphia than in Dayton. If you earn $80,000 in Dayton, you'd need about $98,469 in Philadelphia to keep the same standard of living.