City comparison
Newark, CA is about 20 miles (30 km) from South San Francisco, CA in a straight line. By road, the drive is roughly 30 miles, or about 27 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 Newark, CA to South San Francisco, CA takes about 3 min, covering roughly 20 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.
South San Francisco has a population of 65,596, vs 47,470 in Newark — about 1.4× larger by population. By land area, Newark covers about 14 sq mi vs 9.2 sq mi for South San Francisco.
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 | Newark | South San Francisco | Difference |
|---|---|---|---|
| Median rent | $2,644/mo | $2,649/mo | 0.2% higher in South San Francisco |
| Median home value | $1,034,900 | $1,113,000 | 7.5% higher in South San Francisco |
| Median household income | $159,465 | $127,062 | 25.5% higher in Newark |
| Groceries index | 108.1 | 108.1 | ≈ equal |
| Utilities index | 168.3 | 168.3 | ≈ equal |
| Transportation index | 106.1 | 106.1 | ≈ equal |
| Healthcare index | 106.0 | 106.0 | ≈ 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 Newark, you'd need $100,013 in South San Francisco to maintain your standard of living.
Climate, safety, and demographics side by side.
Newark and South San Francisco have nearly identical overall cost-of-living indices. If you earn $80,000 in Newark, you'd need about $80,011 in South San Francisco to keep the same standard of living.