City comparison
La Mesa, CA is about 475 miles (800 km) from San Francisco, CA in a straight line. By road, the drive is roughly 600 miles, or about 10 hours 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 La Mesa, CA to San Francisco, CA takes about 58 min, covering roughly 475 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 Francisco has a population of 851,036, vs 60,888 in La Mesa — about 14.0× larger by population. By land area, San Francisco covers about 47 sq mi vs 9.1 sq mi for La Mesa.
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 | La Mesa | San Francisco | Difference |
|---|---|---|---|
| Median rent | $1,819/mo | $2,316/mo | 27.3% higher in San Francisco |
| Median home value | $684,200 | $1,348,700 | 97.1% higher in San Francisco |
| Median household income | $83,649 | $136,689 | 63.4% higher in San Francisco |
| Groceries index | 107.6 | 103.9 | 3.5% higher in La Mesa |
| Utilities index | 169.8 | 162.7 | 4.4% higher in La Mesa |
| Transportation index | 100.0 | 102.0 | 2.0% higher in San Francisco |
| Healthcare index | 100.0 | 100.2 | ≈ equal (San Francisco slightly higher) |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in La Mesa, you'd need $104,745 in San Francisco to maintain your standard of living.
Climate, safety, and demographics side by side.
La Mesa, CA is about 4.5% cheaper overall than San Francisco, CA, based on our cost-of-living index. Housing costs are roughly 10% higher in San Francisco than in La Mesa. If you earn $80,000 in La Mesa, you'd need about $83,796 in San Francisco to keep the same standard of living.