City comparison
San Diego, CA is about 2,300 miles (3,600 km) from Silver Spring, MD in a straight line. By road, the drive is roughly 2,800 miles, or about 47 hours (about 5 days at 10 h/day) 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 San Diego, CA to Silver Spring, MD takes about 4 h 32 min, covering roughly 2,300 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.
San Diego, CA is on Pacific Time and Silver Spring, MD is on Eastern Time — a 3-hour difference. When it's noon in San Diego, it's 3 p.m. in Silver Spring, which puts San Diego 3 hours behind.
Standard-time offsets. Daylight saving applies in both cities for most of the year (exceptions: Hawaii and most of Arizona), and the gap between the two stays the same.
San Diego has a population of 1,383,987, vs 81,808 in Silver Spring — about 16.9× larger by population. By land area, San Diego covers about 325 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 | San Diego | Silver Spring | Difference |
|---|---|---|---|
| Median rent | $2,080/mo | $1,826/mo | 13.9% higher in San Diego |
| Median home value | $783,300 | $606,100 | 29.2% higher in San Diego |
| Median household income | $98,657 | $95,213 | 3.6% higher in San Diego |
| Groceries index | 107.6 | 104.3 | 3.2% higher in San Diego |
| Utilities index | 169.8 | 105.6 | 60.8% higher in San Diego |
| Transportation index | 100.0 | 102.2 | 2.1% higher in Silver Spring |
| Healthcare index | 100.0 | 101.6 | 1.6% 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 San Diego, you'd need $87,701 in Silver Spring to maintain your standard of living.
Climate, safety, and demographics side by side.
Silver Spring, MD is about 12.3% cheaper overall than San Diego, CA, based on our cost-of-living index. Housing costs are roughly 18% higher in San Diego than in Silver Spring. If you earn $80,000 in San Diego, you'd need about $70,161 in Silver Spring to keep the same standard of living.