City comparison
Baltimore, MD is about 30 miles (50 km) from Rockville, MD in a straight line. By road, the drive is roughly 40 miles, or about 41 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 Baltimore, MD to Rockville, MD takes about 4 min, covering roughly 30 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.
Baltimore has a population of 584,548, vs 67,142 in Rockville — about 8.7× larger by population. By land area, Baltimore covers about 81 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 | Baltimore | Rockville | Difference |
|---|---|---|---|
| Median rent | $1,235/mo | $2,167/mo | 75.5% higher in Rockville |
| Median home value | $202,900 | $623,800 | 207.4% higher in Rockville |
| Median household income | $58,349 | $122,470 | 109.9% higher in Rockville |
| Groceries index | 102.7 | 104.3 | 1.5% higher in Rockville |
| Utilities index | 108.6 | 105.6 | 2.8% higher in Baltimore |
| Transportation index | 100.8 | 102.2 | 1.3% higher in Rockville |
| Healthcare index | 102.7 | 101.6 | 1.0% higher in Baltimore |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Baltimore, you'd need $114,412 in Rockville to maintain your standard of living.
Climate, safety, and demographics side by side.
Baltimore, MD is about 12.6% cheaper overall than Rockville, MD, based on our cost-of-living index. Housing costs are roughly 31% higher in Rockville than in Baltimore. If you earn $80,000 in Baltimore, you'd need about $91,530 in Rockville to keep the same standard of living.