City comparison
Philadelphia, PA is about 2,000 miles (3,300 km) from Twin Falls, ID in a straight line. By road, the drive is roughly 2,500 miles, or about 42 hours (about 4 days at 10 h/day) 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 Twin Falls, ID takes about 4 h 4 min, covering roughly 2,000 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 Twin Falls, ID is on Pacific Time — a 3-hour difference. When it's noon in Philadelphia, it's 9 a.m. in Twin Falls, which puts Philadelphia 3 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 52,315 in Twin Falls — about 30.5× larger by population. By land area, Philadelphia covers about 135 sq mi vs 20 sq mi for Twin Falls.
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 | Twin Falls | Difference |
|---|---|---|---|
| Median rent | $1,250/mo | $952/mo | 31.3% higher in Philadelphia |
| Median home value | $215,500 | $243,700 | 13.1% higher in Twin Falls |
| Median household income | $57,537 | $58,024 | 0.8% higher in Twin Falls |
| Groceries index | 97.0 | 96.9 | ≈ equal (Philadelphia slightly higher) |
| Utilities index | 112.3 | 74.9 | 49.9% higher in Philadelphia |
| Transportation index | 101.7 | 99.5 | 2.3% higher in Philadelphia |
| Healthcare index | 102.7 | 99.4 | 3.2% 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 Philadelphia, you'd need $80,350 in Twin Falls to maintain your standard of living.
Climate, safety, and demographics side by side.
Twin Falls, ID is about 19.6% cheaper overall than Philadelphia, PA, based on our cost-of-living index. Housing costs are roughly 55% higher in Philadelphia than in Twin Falls. If you earn $80,000 in Philadelphia, you'd need about $64,280 in Twin Falls to keep the same standard of living.