City comparison
Fullerton, CA is about 1,200 miles (1,900 km) from San Antonio, TX in a straight line. By road, the drive is roughly 1,500 miles, or about 25 hours (about 3 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 Fullerton, CA to San Antonio, TX takes about 2 h 21 min, covering roughly 1,200 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.
Fullerton, CA is on Pacific Time and San Antonio, TX is on Central Time — a 2-hour difference. When it's noon in Fullerton, it's 2 p.m. in San Antonio, which puts Fullerton 2 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 Antonio has a population of 1,445,662, vs 142,280 in Fullerton — about 10.2× larger by population. By land area, San Antonio covers about 500 sq mi vs 22 sq mi for Fullerton.
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 | Fullerton | San Antonio | Difference |
|---|---|---|---|
| Median rent | $1,989/mo | $1,189/mo | 67.3% higher in Fullerton |
| Median home value | $791,000 | $198,000 | 299.5% higher in Fullerton |
| Median household income | $99,279 | $59,593 | 66.6% higher in Fullerton |
| Groceries index | 106.4 | 94.2 | 12.9% higher in Fullerton |
| Utilities index | 155.6 | 83.3 | 86.7% higher in Fullerton |
| Transportation index | 104.4 | 96.6 | 8.0% higher in Fullerton |
| Healthcare index | 104.3 | 96.1 | 8.6% higher in Fullerton |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Fullerton, you'd need $68,802 in San Antonio to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 31.2% cheaper overall than Fullerton, CA, based on our cost-of-living index. Housing costs are roughly 79% higher in Fullerton than in San Antonio. If you earn $80,000 in Fullerton, you'd need about $55,042 in San Antonio to keep the same standard of living.