City comparison
Lompoc, CA is about 225 miles (375 km) from San Diego, CA in a straight line. By road, the drive is roughly 300 miles, or about 4 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 Lompoc, CA to San Diego, CA takes about 28 min, covering roughly 225 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 44,086 in Lompoc — about 31.4× larger by population. By land area, San Diego covers about 325 sq mi vs 12 sq mi for Lompoc.
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 | Lompoc | San Diego | Difference |
|---|---|---|---|
| Median rent | $1,395/mo | $2,080/mo | 49.1% higher in San Diego |
| Median home value | $408,300 | $783,300 | 91.8% higher in San Diego |
| Median household income | $66,947 | $98,657 | 47.4% higher in San Diego |
| Groceries index | 105.1 | 107.6 | 2.4% higher in San Diego |
| Utilities index | 147.6 | 169.8 | 15.1% higher in San Diego |
| Transportation index | 100.7 | 100.0 | 0.6% higher in Lompoc |
| Healthcare index | 100.6 | 100.0 | 0.6% higher in Lompoc |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Lompoc, you'd need $111,961 in San Diego to maintain your standard of living.
Climate, safety, and demographics side by side.
Lompoc, CA is about 10.7% cheaper overall than San Diego, CA, based on our cost-of-living index. Housing costs are roughly 20% higher in San Diego than in Lompoc. If you earn $80,000 in Lompoc, you'd need about $89,569 in San Diego to keep the same standard of living.