City comparison
Milpitas, CA is about 425 miles (650 km) from San Diego, CA in a straight line. By road, the drive is roughly 500 miles, or about 8 h 45 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 Milpitas, CA to San Diego, CA takes about 50 min, covering roughly 425 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 79,092 in Milpitas — about 17.5× larger by population. By land area, San Diego covers about 325 sq mi vs 13 sq mi for Milpitas.
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 | Milpitas | San Diego | Difference |
|---|---|---|---|
| Median rent | $2,981/mo | $2,080/mo | 43.3% higher in Milpitas |
| Median home value | $1,155,000 | $783,300 | 47.5% higher in Milpitas |
| Median household income | $166,769 | $98,657 | 69.0% higher in Milpitas |
| Groceries index | 105.8 | 107.6 | 1.7% higher in San Diego |
| Utilities index | 157.2 | 169.8 | 8.1% higher in San Diego |
| Transportation index | 101.9 | 100.0 | 1.9% higher in Milpitas |
| Healthcare index | 101.9 | 100.0 | 1.9% higher in Milpitas |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Milpitas, you'd need $91,591 in San Diego to maintain your standard of living.
Climate, safety, and demographics side by side.
San Diego, CA is about 8.4% cheaper overall than Milpitas, CA, based on our cost-of-living index. Housing costs are roughly 18% higher in Milpitas than in San Diego. If you earn $80,000 in Milpitas, you'd need about $73,272 in San Diego to keep the same standard of living.