City comparison
Brockton, MA is about 375 miles (600 km) from Rockville, MD in a straight line. By road, the drive is roughly 475 miles, or about 8 h 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 Brockton, MA to Rockville, MD takes about 46 min, covering roughly 375 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.
Brockton has a population of 104,713, vs 67,142 in Rockville — about 1.6× larger by population. By land area, Brockton covers about 21 sq mi vs 14 sq mi for Rockville.
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 | Brockton | Rockville | Difference |
|---|---|---|---|
| Median rent | $1,446/mo | $2,167/mo | 49.9% higher in Rockville |
| Median home value | $364,700 | $623,800 | 71.0% higher in Rockville |
| Median household income | $74,016 | $122,470 | 65.5% higher in Rockville |
| Groceries index | 99.8 | 104.3 | 4.5% higher in Rockville |
| Utilities index | 144.3 | 105.6 | 36.6% higher in Brockton |
| Transportation index | 102.9 | 102.2 | 0.7% higher in Brockton |
| Healthcare index | 103.7 | 101.6 | 2.0% higher in Brockton |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Brockton, you'd need $100,089 in Rockville to maintain your standard of living.
Climate, safety, and demographics side by side.
Brockton and Rockville have nearly identical overall cost-of-living indices. Housing costs are roughly 5% higher in Rockville than in Brockton. If you earn $80,000 in Brockton, you'd need about $80,071 in Rockville to keep the same standard of living.