City comparison
Decatur, IL is about 125 miles (225 km) from Orland Park, IL in a straight line. By road, the drive is roughly 175 miles, or about 2 h 45 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 Decatur, IL to Orland Park, IL takes about 16 min, covering roughly 125 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.
Decatur has a population of 70,975, vs 58,345 in Orland Park — about 1.2× larger by population. By land area, Decatur covers about 44 sq mi vs 22 sq mi for Orland Park.
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 | Decatur | Orland Park | Difference |
|---|---|---|---|
| Median rent | $770/mo | $1,396/mo | 81.3% higher in Orland Park |
| Median home value | $96,800 | $337,800 | 249.0% higher in Orland Park |
| Median household income | $49,039 | $97,365 | 98.5% higher in Orland Park |
| Groceries index | 93.9 | 106.3 | 13.2% higher in Orland Park |
| Utilities index | 91.2 | 84.3 | 8.1% higher in Decatur |
| Transportation index | 99.3 | 100.2 | 0.8% higher in Orland Park |
| Healthcare index | 99.5 | 100.4 | 0.8% higher in Orland Park |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Decatur, you'd need $131,492 in Orland Park to maintain your standard of living.
Climate, safety, and demographics side by side.
Decatur, IL is about 23.9% cheaper overall than Orland Park, IL, based on our cost-of-living index. Housing costs are roughly 98% higher in Orland Park than in Decatur. If you earn $80,000 in Decatur, you'd need about $105,193 in Orland Park to keep the same standard of living.