City comparison
San Diego, CA is about 250 miles (375 km) from Santa Maria, CA in a straight line. By road, the drive is roughly 300 miles, or about 5 h 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 San Diego, CA to Santa Maria, CA takes about 29 min, covering roughly 250 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 109,543 in Santa Maria — about 12.6× larger by population. By land area, San Diego covers about 325 sq mi vs 23 sq mi for Santa Maria.
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 | San Diego | Santa Maria | Difference |
|---|---|---|---|
| Median rent | $2,080/mo | $1,768/mo | 17.6% higher in San Diego |
| Median home value | $783,300 | $438,100 | 78.8% higher in San Diego |
| Median household income | $98,657 | $81,237 | 21.4% higher in San Diego |
| Groceries index | 107.6 | 105.1 | 2.4% higher in San Diego |
| Utilities index | 169.8 | 147.6 | 15.1% higher in San Diego |
| Transportation index | 100.0 | 100.7 | 0.6% higher in Santa Maria |
| Healthcare index | 100.0 | 100.6 | 0.6% higher in Santa Maria |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in San Diego, you'd need $90,114 in Santa Maria to maintain your standard of living.
Climate, safety, and demographics side by side.
Santa Maria, CA is about 9.9% cheaper overall than San Diego, CA, based on our cost-of-living index. Housing costs are roughly 18% higher in San Diego than in Santa Maria. If you earn $80,000 in San Diego, you'd need about $72,091 in Santa Maria to keep the same standard of living.