City comparison
Decatur, IL is about 600 miles (950 km) from Hattiesburg, MS in a straight line. By road, the drive is roughly 750 miles, or about 12 hours 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 Hattiesburg, MS takes about 1 h 11 min, covering roughly 600 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 48,466 in Hattiesburg — about 1.5× larger by population. By land area, Hattiesburg covers about 53 sq mi vs 44 sq mi for Decatur.
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 | Hattiesburg | Difference |
|---|---|---|---|
| Median rent | $770/mo | $936/mo | 21.6% higher in Hattiesburg |
| Median home value | $96,800 | $146,600 | 51.4% higher in Hattiesburg |
| Median household income | $49,039 | $41,024 | 19.5% higher in Decatur |
| Groceries index | 93.9 | 96.4 | 2.7% higher in Hattiesburg |
| Utilities index | 91.2 | 78.5 | 16.1% higher in Decatur |
| Transportation index | 99.3 | 96.5 | 3.0% higher in Decatur |
| Healthcare index | 99.5 | 96.0 | 3.7% higher in Decatur |
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 $100,352 in Hattiesburg to maintain your standard of living.
Climate, safety, and demographics side by side.
Decatur and Hattiesburg have nearly identical overall cost-of-living indices. Housing costs are roughly 8% higher in Hattiesburg than in Decatur. If you earn $80,000 in Decatur, you'd need about $80,281 in Hattiesburg to keep the same standard of living.