City comparison
San Antonio, TX is about 1,800 miles (2,900 km) from Seattle, WA in a straight line. By road, the drive is roughly 2,200 miles, or about 37 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 San Antonio, TX to Seattle, WA takes about 3 h 34 min, covering roughly 1,800 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 Seattle, WA is on Pacific Time — a 2-hour difference. When it's noon in San Antonio, it's 10 a.m. in Seattle, 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 734,603 in Seattle — about 2.0× larger by population. By land area, San Antonio covers about 500 sq mi vs 84 sq mi for Seattle.
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 | Seattle | Difference |
|---|---|---|---|
| Median rent | $1,189/mo | $1,945/mo | 63.6% higher in Seattle |
| Median home value | $198,000 | $879,900 | 344.4% higher in Seattle |
| Median household income | $59,593 | $116,068 | 94.8% higher in Seattle |
| Groceries index | 94.2 | 103.0 | 9.4% higher in Seattle |
| Utilities index | 83.3 | 92.5 | 11.0% higher in Seattle |
| Transportation index | 96.6 | 108.1 | 11.8% higher in Seattle |
| Healthcare index | 96.1 | 108.8 | 13.2% higher in Seattle |
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 $132,100 in Seattle to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 24.3% cheaper overall than Seattle, WA, based on our cost-of-living index. Housing costs are roughly 60% higher in Seattle than in San Antonio. If you earn $80,000 in San Antonio, you'd need about $105,680 in Seattle to keep the same standard of living.