City comparison
Fountain Valley, 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 Fountain Valley, 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.
Fountain Valley, CA is on Pacific Time and San Antonio, TX is on Central Time — a 2-hour difference. When it's noon in Fountain Valley, it's 2 p.m. in San Antonio, which puts Fountain Valley 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 56,754 in Fountain Valley — about 25.5× larger by population. By land area, San Antonio covers about 500 sq mi vs 9.1 sq mi for Fountain Valley.
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 | Fountain Valley | San Antonio | Difference |
|---|---|---|---|
| Median rent | $2,412/mo | $1,189/mo | 102.9% higher in Fountain Valley |
| Median home value | $932,800 | $198,000 | 371.1% higher in Fountain Valley |
| Median household income | $108,860 | $59,593 | 82.7% higher in Fountain Valley |
| Groceries index | 106.4 | 94.2 | 12.9% higher in Fountain Valley |
| Utilities index | 155.6 | 83.3 | 86.7% higher in Fountain Valley |
| Transportation index | 104.4 | 96.6 | 8.0% higher in Fountain Valley |
| Healthcare index | 104.3 | 96.1 | 8.6% higher in Fountain Valley |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Fountain Valley, you'd need $68,174 in San Antonio to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 31.8% cheaper overall than Fountain Valley, CA, based on our cost-of-living index. Housing costs are roughly 82% higher in Fountain Valley than in San Antonio. If you earn $80,000 in Fountain Valley, you'd need about $54,539 in San Antonio to keep the same standard of living.