City comparison
Birmingham, AL is about 600 miles (1,000 km) from Rockford, IL in a straight line. By road, the drive is roughly 750 miles, or about 13 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 Birmingham, AL to Rockford, IL takes about 1 h 14 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.
Birmingham has a population of 200,431, vs 148,173 in Rockford — about 1.4× larger by population. By land area, Birmingham covers about 145 sq mi vs 65 sq mi for Rockford.
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 | Birmingham | Rockford | Difference |
|---|---|---|---|
| Median rent | $995/mo | $906/mo | 9.8% higher in Birmingham |
| Median home value | $123,000 | $114,100 | 7.8% higher in Birmingham |
| Median household income | $42,464 | $50,744 | 19.5% higher in Rockford |
| Groceries index | 96.6 | 93.9 | 2.9% higher in Birmingham |
| Utilities index | 84.8 | 89.6 | 5.7% higher in Rockford |
| Transportation index | 97.0 | 99.3 | 2.4% higher in Rockford |
| Healthcare index | 96.5 | 99.5 | 3.1% higher in Rockford |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Birmingham, you'd need $99,813 in Rockford to maintain your standard of living.
Climate, safety, and demographics side by side.
Birmingham and Rockford have nearly identical overall cost-of-living indices. Housing costs are roughly 3% higher in Birmingham than in Rockford. If you earn $80,000 in Birmingham, you'd need about $79,850 in Rockford to keep the same standard of living.