City comparison
Baltimore, MD is about 30 miles (50 km) from Gaithersburg, 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 Gaithersburg, 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 69,016 in Gaithersburg — about 8.5× larger by population. By land area, Baltimore covers about 81 sq mi vs 10 sq mi for Gaithersburg.
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 | Gaithersburg | Difference |
|---|---|---|---|
| Median rent | $1,235/mo | $1,925/mo | 55.9% higher in Gaithersburg |
| Median home value | $202,900 | $472,800 | 133.0% higher in Gaithersburg |
| Median household income | $58,349 | $104,544 | 79.2% higher in Gaithersburg |
| Groceries index | 102.7 | 103.8 | 1.0% higher in Gaithersburg |
| Utilities index | 108.6 | 106.4 | 2.1% higher in Baltimore |
| Transportation index | 100.8 | 102.0 | 1.1% higher in Gaithersburg |
| Healthcare index | 102.7 | 101.5 | 1.2% 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 $110,986 in Gaithersburg to maintain your standard of living.
Climate, safety, and demographics side by side.
Baltimore, MD is about 9.9% cheaper overall than Gaithersburg, MD, based on our cost-of-living index. Housing costs are roughly 24% higher in Gaithersburg than in Baltimore. If you earn $80,000 in Baltimore, you'd need about $88,789 in Gaithersburg to keep the same standard of living.