City comparison
Jacksonville, FL is about 2,100 miles (3,400 km) from San Diego, CA in a straight line. By road, the drive is roughly 2,600 miles, or about 43 hours (about 4 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 Jacksonville, FL to San Diego, CA takes about 4 h 10 min, covering roughly 2,100 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.
Jacksonville, FL is on Eastern Time and San Diego, CA is on Pacific Time — a 3-hour difference. When it's noon in Jacksonville, it's 9 a.m. in San Diego, which puts Jacksonville 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 950,203 in Jacksonville — about 1.5× larger by population. By land area, Jacksonville covers about 745 sq mi vs 325 sq mi for San Diego.
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 | Jacksonville | San Diego | Difference |
|---|---|---|---|
| Median rent | $1,281/mo | $2,080/mo | 62.4% higher in San Diego |
| Median home value | $243,000 | $783,300 | 222.3% higher in San Diego |
| Median household income | $64,138 | $98,657 | 53.8% higher in San Diego |
| Groceries index | 96.5 | 107.6 | 11.6% higher in San Diego |
| Utilities index | 88.2 | 169.8 | 92.6% higher in San Diego |
| Transportation index | 99.0 | 100.0 | 1.0% higher in San Diego |
| Healthcare index | 98.5 | 100.0 | 1.5% higher in San Diego |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Jacksonville, you'd need $138,043 in San Diego to maintain your standard of living.
Climate, safety, and demographics side by side.
Jacksonville, FL is about 27.6% cheaper overall than San Diego, CA, based on our cost-of-living index. Housing costs are roughly 63% higher in San Diego than in Jacksonville. If you earn $80,000 in Jacksonville, you'd need about $110,434 in San Diego to keep the same standard of living.