City comparison
Perris, CA is about 20 miles (40 km) from Rialto, CA in a straight line. By road, the drive is roughly 30 miles, or about 31 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 Perris, CA to Rialto, 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.
Rialto has a population of 103,873, vs 78,881 in Perris — about 1.3× larger by population. By land area, Perris covers about 32 sq mi vs 24 sq mi for Rialto.
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 | Perris | Rialto | Difference |
|---|---|---|---|
| Median rent | $1,563/mo | $1,553/mo | 0.6% higher in Perris |
| Median home value | $383,800 | $418,300 | 9.0% higher in Rialto |
| Median household income | $78,352 | $80,750 | 3.1% higher in Rialto |
| Groceries index | 101.7 | 101.7 | ≈ equal |
| Utilities index | 146.5 | 146.5 | ≈ equal |
| Transportation index | 101.6 | 101.6 | ≈ equal |
| Healthcare index | 101.5 | 101.5 | ≈ 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 Perris, you'd need $99,974 in Rialto to maintain your standard of living.
Climate, safety, and demographics side by side.
Perris and Rialto have nearly identical overall cost-of-living indices. If you earn $80,000 in Perris, you'd need about $79,980 in Rialto to keep the same standard of living.