City comparison
Bel Air South, MD is about 50 miles (80 km) from Silver Spring, MD in a straight line. By road, the drive is roughly 60 miles, or about 1 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 Bel Air South, MD to Silver Spring, MD takes about 6 min, covering roughly 50 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.
Silver Spring has a population of 81,808, vs 57,109 in Bel Air South — about 1.4× larger by population. By land area, Bel Air South covers about 21 sq mi vs 7.9 sq mi for Silver Spring.
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 | Bel Air South | Silver Spring | Difference |
|---|---|---|---|
| Median rent | $1,502/mo | $1,826/mo | 21.6% higher in Silver Spring |
| Median home value | $362,300 | $606,100 | 67.3% higher in Silver Spring |
| Median household income | $113,739 | $95,213 | 19.5% higher in Bel Air South |
| Groceries index | 102.0 | 104.3 | 2.2% higher in Silver Spring |
| Utilities index | 108.8 | 105.6 | 3.0% higher in Bel Air South |
| Transportation index | 101.4 | 102.2 | 0.7% higher in Silver Spring |
| Healthcare index | 100.9 | 101.6 | 0.7% higher in Silver Spring |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Bel Air South, you'd need $112,798 in Silver Spring to maintain your standard of living.
Climate, safety, and demographics side by side.
Bel Air South, MD is about 11.3% cheaper overall than Silver Spring, MD, based on our cost-of-living index. Housing costs are roughly 27% higher in Silver Spring than in Bel Air South. If you earn $80,000 in Bel Air South, you'd need about $90,238 in Silver Spring to keep the same standard of living.