City comparison
Pasadena, CA is about 100 miles (175 km) from San Diego, CA in a straight line. By road, the drive is roughly 125 miles, or about 2 h 15 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 Pasadena, CA to San Diego, CA takes about 13 min, covering roughly 100 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.
San Diego has a population of 1,383,987, vs 137,554 in Pasadena — about 10.1× larger by population. By land area, San Diego covers about 325 sq mi vs 23 sq mi for Pasadena.
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 | Pasadena | San Diego | Difference |
|---|---|---|---|
| Median rent | $2,100/mo | $2,080/mo | 1.0% higher in Pasadena |
| Median home value | $981,600 | $783,300 | 25.3% higher in Pasadena |
| Median household income | $97,818 | $98,657 | 0.9% higher in San Diego |
| Groceries index | 106.4 | 107.6 | 1.1% higher in San Diego |
| Utilities index | 155.6 | 169.8 | 9.2% higher in San Diego |
| Transportation index | 104.4 | 100.0 | 4.3% higher in Pasadena |
| Healthcare index | 104.3 | 100.0 | 4.3% higher in Pasadena |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Pasadena, you'd need $102,502 in San Diego to maintain your standard of living.
Climate, safety, and demographics side by side.
Pasadena, CA is about 2.4% cheaper overall than San Diego, CA, based on our cost-of-living index. Housing costs are roughly 5% higher in San Diego than in Pasadena. If you earn $80,000 in Pasadena, you'd need about $82,002 in San Diego to keep the same standard of living.