City comparison
Alameda, CA is about 450 miles (700 km) from San Diego, CA in a straight line. By road, the drive is roughly 550 miles, or about 9 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 Alameda, CA to San Diego, CA takes about 54 min, covering roughly 450 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 77,565 in Alameda — about 17.8× larger by population. By land area, San Diego covers about 325 sq mi vs 10 sq mi for Alameda.
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 | Alameda | San Diego | Difference |
|---|---|---|---|
| Median rent | $2,301/mo | $2,080/mo | 10.6% higher in Alameda |
| Median home value | $1,147,600 | $783,300 | 46.5% higher in Alameda |
| Median household income | $129,917 | $98,657 | 31.7% higher in Alameda |
| Groceries index | 108.1 | 107.6 | ≈ equal (Alameda slightly higher) |
| Utilities index | 168.3 | 169.8 | 0.9% higher in San Diego |
| Transportation index | 106.1 | 100.0 | 6.0% higher in Alameda |
| Healthcare index | 106.0 | 100.0 | 6.0% higher in Alameda |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Alameda, you'd need $94,308 in San Diego to maintain your standard of living.
Climate, safety, and demographics side by side.
San Diego, CA is about 5.7% cheaper overall than Alameda, CA, based on our cost-of-living index. Housing costs are roughly 9% higher in Alameda than in San Diego. If you earn $80,000 in Alameda, you'd need about $75,446 in San Diego to keep the same standard of living.