City comparison
Mount Prospect, IL is about 1,400 miles (2,300 km) from Phoenix, AZ in a straight line. By road, the drive is roughly 1,800 miles, or about 30 hours (about 3 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 Mount Prospect, IL to Phoenix, AZ takes about 2 h 52 min, covering roughly 1,400 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.
Mount Prospect, IL is on Central Time and Phoenix, AZ is on Mountain Time — a 1-hour difference. When it's noon in Mount Prospect, it's 11 a.m. in Phoenix, which puts Mount Prospect 1 hours ahead.
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.
Phoenix has a population of 1,609,456, vs 56,191 in Mount Prospect — about 28.6× larger by population. By land area, Phoenix covers about 520 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 | Mount Prospect | Phoenix | Difference |
|---|---|---|---|
| Median rent | $1,368/mo | $1,322/mo | 3.5% higher in Mount Prospect |
| Median home value | $367,900 | $340,200 | 8.1% higher in Mount Prospect |
| Median household income | $100,526 | $72,092 | 39.4% higher in Mount Prospect |
| Groceries index | 106.3 | 95.8 | 10.9% higher in Mount Prospect |
| Utilities index | 84.3 | 96.2 | 14.1% higher in Phoenix |
| Transportation index | 100.2 | 104.1 | 3.9% higher in Phoenix |
| Healthcare index | 100.4 | 104.0 | 3.6% higher in Phoenix |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Mount Prospect, you'd need $103,784 in Phoenix to maintain your standard of living.
Climate, safety, and demographics side by side.
Mount Prospect, IL is about 3.6% cheaper overall than Phoenix, AZ, based on our cost-of-living index. Housing costs are roughly 7% higher in Phoenix than in Mount Prospect. If you earn $80,000 in Mount Prospect, you'd need about $83,028 in Phoenix to keep the same standard of living.