City comparison
Los Angeles, CA is about 1,700 miles (2,800 km) from Mount Prospect, IL in a straight line. By road, the drive is roughly 2,200 miles, or about 36 hours (about 4 days at 10 h/day) 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 Los Angeles, CA to Mount Prospect, IL takes about 3 h 29 min, covering roughly 1,700 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.
Los Angeles, CA is on Pacific Time and Mount Prospect, IL is on Central Time — a 2-hour difference. When it's noon in Los Angeles, it's 2 p.m. in Mount Prospect, which puts Los Angeles 2 hours behind.
Standard-time offsets. Daylight saving applies in both cities for most of the year (exceptions: Hawaii and most of Arizona), and the gap between the two stays the same.
Los Angeles has a population of 3,881,041, vs 56,191 in Mount Prospect — about 69.1× larger by population. By land area, Los Angeles covers about 470 sq mi vs 11 sq mi for Mount Prospect.
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 | Los Angeles | Mount Prospect | Difference |
|---|---|---|---|
| Median rent | $1,791/mo | $1,368/mo | 30.9% higher in Los Angeles |
| Median home value | $822,600 | $367,900 | 123.6% higher in Los Angeles |
| Median household income | $76,244 | $100,526 | 31.8% higher in Mount Prospect |
| Groceries index | 106.4 | 106.3 | ≈ equal (Los Angeles slightly higher) |
| Utilities index | 151.7 | 84.3 | 79.9% higher in Los Angeles |
| Transportation index | 104.0 | 100.2 | 3.8% higher in Los Angeles |
| Healthcare index | 104.3 | 100.4 | 3.9% higher in Los Angeles |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Los Angeles, you'd need $77,106 in Mount Prospect to maintain your standard of living.
Climate, safety, and demographics side by side.
Mount Prospect, IL is about 22.9% cheaper overall than Los Angeles, CA, based on our cost-of-living index. Housing costs are roughly 50% higher in Los Angeles than in Mount Prospect. If you earn $80,000 in Los Angeles, you'd need about $61,684 in Mount Prospect to keep the same standard of living.