City comparison
Antioch, 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 Antioch, CA to San Diego, CA takes about 53 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 115,016 in Antioch — about 12.0× larger by population. By land area, San Diego covers about 325 sq mi vs 29 sq mi for Antioch.
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 | Antioch | San Diego | Difference |
|---|---|---|---|
| Median rent | $2,150/mo | $2,080/mo | 3.4% higher in Antioch |
| Median home value | $570,900 | $783,300 | 37.2% higher in San Diego |
| Median household income | $90,709 | $98,657 | 8.8% higher in San Diego |
| 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 Antioch |
| Healthcare index | 104.8 | 100.0 | 4.8% higher in Antioch |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Antioch, you'd need $98,252 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 Antioch, CA, based on our cost-of-living index. Housing costs are roughly 2% higher in Antioch than in San Diego. If you earn $80,000 in Antioch, you'd need about $78,601 in San Diego to keep the same standard of living.