City comparison
San Luis Obispo, CA is about 225 miles (350 km) from Vallejo, CA in a straight line. By road, the drive is roughly 275 miles, or about 4 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 San Luis Obispo, CA to Vallejo, CA takes about 26 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.
Vallejo has a population of 125,132, vs 47,529 in San Luis Obispo — about 2.6× larger by population. By land area, Vallejo covers about 30 sq mi vs 14 sq mi for San Luis Obispo.
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 Luis Obispo | Vallejo | Difference |
|---|---|---|---|
| Median rent | $1,850/mo | $1,894/mo | 2.4% higher in Vallejo |
| Median home value | $841,700 | $515,500 | 63.3% higher in San Luis Obispo |
| Median household income | $65,000 | $86,112 | 32.5% higher in Vallejo |
| Groceries index | 105.1 | 105.1 | ≈ equal |
| Utilities index | 145.8 | 152.3 | 4.5% higher in Vallejo |
| Transportation index | 100.7 | 100.7 | ≈ equal |
| Healthcare index | 100.6 | 100.6 | ≈ equal |
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 Luis Obispo, you'd need $99,855 in Vallejo to maintain your standard of living.
Climate, safety, and demographics side by side.
San Luis Obispo and Vallejo have nearly identical overall cost-of-living indices. If you earn $80,000 in San Luis Obispo, you'd need about $79,884 in Vallejo to keep the same standard of living.