City comparison
Decatur, AL is about 550 miles (850 km) from Rocky Mount, NC in a straight line. By road, the drive is roughly 650 miles, or about 11 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, AL to Rocky Mount, NC takes about 1 h 3 min, covering roughly 550 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, AL is on Central Time and Rocky Mount, NC is on Eastern Time — a 1-hour difference. When it's noon in Decatur, it's 1 p.m. in Rocky Mount, which puts Decatur 1 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.
Decatur has a population of 57,525, vs 54,260 in Rocky Mount — about the same size. By land area, Decatur covers about 55 sq mi vs 45 sq mi for Rocky Mount.
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 | Rocky Mount | Difference |
|---|---|---|---|
| Median rent | $801/mo | $891/mo | 11.2% higher in Rocky Mount |
| Median home value | $170,000 | $137,800 | 23.4% higher in Decatur |
| Median household income | $55,164 | $50,092 | 10.1% higher in Decatur |
| Groceries index | 96.6 | 96.8 | ≈ equal (Rocky Mount slightly higher) |
| Utilities index | 85.7 | 89.0 | 3.9% higher in Rocky Mount |
| Transportation index | 97.0 | 98.4 | 1.4% higher in Rocky Mount |
| Healthcare index | 96.5 | 97.9 | 1.4% higher in Rocky Mount |
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 Rocky Mount to maintain your standard of living.
Climate, safety, and demographics side by side.
Decatur and Rocky Mount have nearly identical overall cost-of-living indices. If you earn $80,000 in Decatur, you'd need about $80,281 in Rocky Mount to keep the same standard of living.