City comparison
Lynn, MA is about 400 miles (650 km) from Rockville, MD in a straight line. By road, the drive is roughly 500 miles, or about 8 h 15 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 Lynn, MA to Rockville, MD takes about 48 min, covering roughly 400 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.
Lynn has a population of 100,653, vs 67,142 in Rockville — about 1.5× larger by population. By land area, Rockville covers about 14 sq mi vs 11 sq mi for Lynn.
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 | Lynn | Rockville | Difference |
|---|---|---|---|
| Median rent | $1,511/mo | $2,167/mo | 43.4% higher in Rockville |
| Median home value | $442,800 | $623,800 | 40.9% higher in Rockville |
| Median household income | $70,046 | $122,470 | 74.8% higher in Rockville |
| Groceries index | 99.8 | 104.3 | 4.5% higher in Rockville |
| Utilities index | 144.3 | 105.6 | 36.6% higher in Lynn |
| Transportation index | 102.9 | 102.2 | 0.7% higher in Lynn |
| Healthcare index | 103.7 | 101.6 | 2.0% higher in Lynn |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Lynn, you'd need $99,928 in Rockville to maintain your standard of living.
Climate, safety, and demographics side by side.
Lynn and Rockville have nearly identical overall cost-of-living indices. Housing costs are roughly 5% higher in Rockville than in Lynn. If you earn $80,000 in Lynn, you'd need about $79,942 in Rockville to keep the same standard of living.