City comparison
Rancho Cucamonga, CA is about 400 miles (650 km) from San Francisco, CA in a straight line. By road, the drive is roughly 500 miles, or about 8 h 15 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 Rancho Cucamonga, CA to San Francisco, CA takes about 47 min, covering roughly 400 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 Francisco has a population of 851,036, vs 174,696 in Rancho Cucamonga — about 4.9× larger by population. By land area, San Francisco covers about 47 sq mi vs 47 sq mi for Rancho Cucamonga.
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 | Rancho Cucamonga | San Francisco | Difference |
|---|---|---|---|
| Median rent | $2,184/mo | $2,316/mo | 6.0% higher in San Francisco |
| Median home value | $657,400 | $1,348,700 | 105.2% higher in San Francisco |
| Median household income | $105,534 | $136,689 | 29.5% higher in San Francisco |
| Groceries index | 101.7 | 103.9 | 2.2% higher in San Francisco |
| Utilities index | 146.5 | 162.7 | 11.0% higher in San Francisco |
| Transportation index | 101.6 | 102.0 | ≈ equal (San Francisco slightly higher) |
| Healthcare index | 101.5 | 100.2 | 1.4% higher in Rancho Cucamonga |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Rancho Cucamonga, you'd need $122,994 in San Francisco to maintain your standard of living.
Climate, safety, and demographics side by side.
Rancho Cucamonga, CA is about 18.7% cheaper overall than San Francisco, CA, based on our cost-of-living index. Housing costs are roughly 45% higher in San Francisco than in Rancho Cucamonga. If you earn $80,000 in Rancho Cucamonga, you'd need about $98,395 in San Francisco to keep the same standard of living.