City comparison
Des Plaines, IL is about 700 miles (1,100 km) from Philadelphia, PA in a straight line. By road, the drive is roughly 850 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 Des Plaines, IL to Philadelphia, PA takes about 1 h 22 min, covering roughly 700 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.
Des Plaines, IL is on Central Time and Philadelphia, PA is on Eastern Time — a 1-hour difference. When it's noon in Des Plaines, it's 1 p.m. in Philadelphia, which puts Des Plaines 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 60,087 in Des Plaines — about 26.5× larger by population. By land area, Philadelphia covers about 135 sq mi vs 14 sq mi for Des Plaines.
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 | Des Plaines | Philadelphia | Difference |
|---|---|---|---|
| Median rent | $1,300/mo | $1,250/mo | 4.0% higher in Des Plaines |
| Median home value | $304,100 | $215,500 | 41.1% higher in Des Plaines |
| Median household income | $86,552 | $57,537 | 50.4% higher in Des Plaines |
| Groceries index | 106.3 | 97.0 | 9.5% higher in Des Plaines |
| Utilities index | 84.3 | 112.3 | 33.2% higher in Philadelphia |
| Transportation index | 100.2 | 101.7 | 1.6% higher in Philadelphia |
| Healthcare index | 100.4 | 102.7 | 2.3% 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 Des Plaines, you'd need $101,752 in Philadelphia to maintain your standard of living.
Climate, safety, and demographics side by side.
Des Plaines, IL is about 1.7% cheaper overall than Philadelphia, PA, based on our cost-of-living index. If you earn $80,000 in Des Plaines, you'd need about $81,402 in Philadelphia to keep the same standard of living.