City comparison
San Antonio, TX is about 1,500 miles (2,300 km) from San Ramon, CA in a straight line. By road, the drive is roughly 1,800 miles, or about 30 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 San Antonio, TX to San Ramon, CA takes about 2 h 55 min, covering roughly 1,500 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 Antonio, TX is on Central Time and San Ramon, CA is on Pacific Time — a 2-hour difference. When it's noon in San Antonio, it's 10 a.m. in San Ramon, which puts San Antonio 2 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 Antonio has a population of 1,445,662, vs 86,119 in San Ramon — about 16.8× larger by population. By land area, San Antonio covers about 500 sq mi vs 20 sq mi for San Ramon.
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 Antonio | San Ramon | Difference |
|---|---|---|---|
| Median rent | $1,189/mo | $2,768/mo | 132.8% higher in San Ramon |
| Median home value | $198,000 | $1,254,900 | 533.8% higher in San Ramon |
| Median household income | $59,593 | $190,829 | 220.2% higher in San Ramon |
| Groceries index | 94.2 | 108.1 | 14.7% higher in San Ramon |
| Utilities index | 83.3 | 168.3 | 102.0% higher in San Ramon |
| Transportation index | 96.6 | 106.1 | 9.8% higher in San Ramon |
| Healthcare index | 96.1 | 106.0 | 10.3% higher in San Ramon |
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 Antonio, you'd need $159,843 in San Ramon to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 37.4% cheaper overall than San Ramon, CA, based on our cost-of-living index. Housing costs are roughly 108% higher in San Ramon than in San Antonio. If you earn $80,000 in San Antonio, you'd need about $127,874 in San Ramon to keep the same standard of living.