City comparison
Concord, 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 Concord, 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 125,007 in Concord — about 11.1× larger by population. By land area, San Diego covers about 325 sq mi vs 31 sq mi for Concord.
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 | Concord | San Diego | Difference |
|---|---|---|---|
| Median rent | $2,137/mo | $2,080/mo | 2.7% higher in Concord |
| Median home value | $706,700 | $783,300 | 10.8% higher in San Diego |
| Median household income | $107,789 | $98,657 | 9.3% higher in Concord |
| Groceries index | 107.4 | 107.6 | ≈ equal (San Diego slightly higher) |
| Utilities index | 164.6 | 169.8 | 3.2% higher in San Diego |
| Transportation index | 104.8 | 100.0 | 4.8% higher in Concord |
| Healthcare index | 104.8 | 100.0 | 4.8% higher in Concord |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Concord, you'd need $98,272 in San Diego to maintain your standard of living.
Climate, safety, and demographics side by side.
San Diego, CA is about 1.7% cheaper overall than Concord, CA, based on our cost-of-living index. Housing costs are roughly 2% higher in Concord than in San Diego. If you earn $80,000 in Concord, you'd need about $78,618 in San Diego to keep the same standard of living.