City comparison
Brookline, MA is about 2,600 miles (4,100 km) from San Diego, CA in a straight line. By road, the drive is roughly 3,200 miles, or about 54 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 Brookline, MA to San Diego, CA takes about 5 h 8 min, covering roughly 2,600 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.
Brookline, MA is on Eastern Time and San Diego, CA is on Pacific Time — a 3-hour difference. When it's noon in Brookline, it's 9 a.m. in San Diego, which puts Brookline 3 hours ahead.
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 62,698 in Brookline — about 22.1× larger by population. By land area, San Diego covers about 325 sq mi vs 6.8 sq mi for Brookline.
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 | Brookline | San Diego | Difference |
|---|---|---|---|
| Median rent | $2,702/mo | $2,080/mo | 29.9% higher in Brookline |
| Median home value | $1,181,200 | $783,300 | 50.8% higher in Brookline |
| Median household income | $130,600 | $98,657 | 32.4% higher in Brookline |
| Groceries index | 99.8 | 107.6 | 7.9% higher in San Diego |
| Utilities index | 144.3 | 169.8 | 17.7% higher in San Diego |
| Transportation index | 102.9 | 100.0 | 2.9% higher in Brookline |
| Healthcare index | 103.7 | 100.0 | 3.7% higher in Brookline |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Brookline, you'd need $109,851 in San Diego to maintain your standard of living.
Climate, safety, and demographics side by side.
Brookline, MA is about 9% cheaper overall than San Diego, CA, based on our cost-of-living index. Housing costs are roughly 15% higher in San Diego than in Brookline. If you earn $80,000 in Brookline, you'd need about $87,881 in San Diego to keep the same standard of living.