City comparison
Fontana, CA is about 10 miles (20 km) from Ontario, CA in a straight line. By road, the drive is roughly 10 miles, or about 12 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 Fontana, CA to Ontario, CA takes about 1 min, covering roughly 10 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.
Fontana has a population of 209,279, vs 176,326 in Ontario — about 1.2× larger by population. By land area, Ontario covers about 50 sq mi vs 43 sq mi for Fontana.
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 | Fontana | Ontario | Difference |
|---|---|---|---|
| Median rent | $1,616/mo | $1,826/mo | 13.0% higher in Ontario |
| Median home value | $506,600 | $513,000 | 1.3% higher in Ontario |
| Median household income | $93,230 | $78,070 | 19.4% higher in Fontana |
| Groceries index | 101.7 | 100.5 | 1.1% higher in Fontana |
| Utilities index | 146.5 | 143.3 | 2.2% higher in Fontana |
| Transportation index | 101.6 | 101.1 | ≈ equal (Fontana slightly higher) |
| Healthcare index | 101.5 | 102.0 | ≈ equal (Ontario slightly higher) |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Fontana, you'd need $100,085 in Ontario to maintain your standard of living.
Climate, safety, and demographics side by side.
Fontana and Ontario have nearly identical overall cost-of-living indices. If you earn $80,000 in Fontana, you'd need about $80,068 in Ontario to keep the same standard of living.