City comparison
Newark, CA is about 30 miles (40 km) from Walnut Creek, CA in a straight line. By road, the drive is roughly 30 miles, or about 34 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 Walnut Creek, CA takes about 3 min, covering roughly 30 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.
Walnut Creek has a population of 69,809, vs 47,470 in Newark — about 1.5× larger by population. By land area, Walnut Creek covers about 20 sq mi vs 14 sq mi for Newark.
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 | Walnut Creek | Difference |
|---|---|---|---|
| Median rent | $2,644/mo | $2,503/mo | 5.6% higher in Newark |
| Median home value | $1,034,900 | $972,800 | 6.4% higher in Newark |
| Median household income | $159,465 | $129,971 | 22.7% 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 $99,720 in Walnut Creek to maintain your standard of living.
Climate, safety, and demographics side by side.
Newark and Walnut Creek have nearly identical overall cost-of-living indices. If you earn $80,000 in Newark, you'd need about $79,776 in Walnut Creek to keep the same standard of living.