City comparison
Chattanooga, TN is about 650 miles (1,000 km) from Philadelphia, PA in a straight line. By road, the drive is roughly 800 miles, or about 14 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 Chattanooga, TN to Philadelphia, PA takes about 1 h 18 min, covering roughly 650 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.
Chattanooga, TN is on Central Time and Philadelphia, PA is on Eastern Time — a 1-hour difference. When it's noon in Chattanooga, it's 1 p.m. in Philadelphia, which puts Chattanooga 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 181,288 in Chattanooga — about 8.8× larger by population. By land area, Chattanooga covers about 140 sq mi vs 135 sq mi for Philadelphia.
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 | Chattanooga | Philadelphia | Difference |
|---|---|---|---|
| Median rent | $1,066/mo | $1,250/mo | 17.3% higher in Philadelphia |
| Median home value | $230,500 | $215,500 | 7.0% higher in Chattanooga |
| Median household income | $57,703 | $57,537 | 0.3% higher in Chattanooga |
| Groceries index | 96.2 | 97.0 | 0.8% higher in Philadelphia |
| Utilities index | 76.1 | 112.3 | 47.7% higher in Philadelphia |
| Transportation index | 95.8 | 101.7 | 6.2% higher in Philadelphia |
| Healthcare index | 95.3 | 102.7 | 7.8% 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 Chattanooga, you'd need $123,300 in Philadelphia to maintain your standard of living.
Climate, safety, and demographics side by side.
Chattanooga, TN is about 18.9% cheaper overall than Philadelphia, PA, based on our cost-of-living index. Housing costs are roughly 45% higher in Philadelphia than in Chattanooga. If you earn $80,000 in Chattanooga, you'd need about $98,640 in Philadelphia to keep the same standard of living.