City comparison
Garden Grove, CA is about 60 miles (90 km) from Simi Valley, CA in a straight line. By road, the drive is roughly 70 miles, or about 1 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 Garden Grove, CA to Simi Valley, CA takes about 7 min, covering roughly 60 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.
Garden Grove has a population of 171,637, vs 126,153 in Simi Valley — about 1.4× larger by population. By land area, Simi Valley covers about 42 sq mi vs 18 sq mi for Garden Grove.
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 | Garden Grove | Simi Valley | Difference |
|---|---|---|---|
| Median rent | $1,887/mo | $2,402/mo | 27.3% higher in Simi Valley |
| Median home value | $702,600 | $704,200 | 0.2% higher in Simi Valley |
| Median household income | $86,139 | $112,144 | 30.2% higher in Simi Valley |
| Groceries index | 106.4 | 105.1 | 1.3% higher in Garden Grove |
| Utilities index | 155.6 | 150.4 | 3.4% higher in Garden Grove |
| Transportation index | 104.4 | 100.7 | 3.7% higher in Garden Grove |
| Healthcare index | 104.3 | 100.6 | 3.7% higher in Garden Grove |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Garden Grove, you'd need $99,949 in Simi Valley to maintain your standard of living.
Climate, safety, and demographics side by side.
Garden Grove and Simi Valley have nearly identical overall cost-of-living indices. Housing costs are roughly 3% higher in Simi Valley than in Garden Grove. If you earn $80,000 in Garden Grove, you'd need about $79,959 in Simi Valley to keep the same standard of living.