City comparison
El Cajon, CA is about 80 miles (125 km) from Irvine, CA in a straight line. By road, the drive is roughly 100 miles, or about 1 h 30 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 El Cajon, CA to Irvine, CA takes about 9 min, covering roughly 80 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.
Irvine has a population of 304,527, vs 105,721 in El Cajon — about 2.9× larger by population. By land area, Irvine covers about 66 sq mi vs 15 sq mi for El Cajon.
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 | El Cajon | Irvine | Difference |
|---|---|---|---|
| Median rent | $1,686/mo | $2,749/mo | 63.0% higher in Irvine |
| Median home value | $593,500 | $1,025,700 | 72.8% higher in Irvine |
| Median household income | $64,128 | $122,948 | 91.7% higher in Irvine |
| Groceries index | 107.6 | 106.4 | 1.1% higher in El Cajon |
| Utilities index | 169.8 | 155.6 | 9.2% higher in El Cajon |
| Transportation index | 100.0 | 104.4 | 4.3% higher in Irvine |
| Healthcare index | 100.0 | 104.3 | 4.3% higher in Irvine |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in El Cajon, you'd need $99,785 in Irvine to maintain your standard of living.
Climate, safety, and demographics side by side.
El Cajon and Irvine have nearly identical overall cost-of-living indices. If you earn $80,000 in El Cajon, you'd need about $79,828 in Irvine to keep the same standard of living.