City comparison
Elgin, IL is about 1,000 miles (1,700 km) from San Antonio, TX in a straight line. By road, the drive is roughly 1,300 miles, or about 22 hours (about 2 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 Elgin, IL to San Antonio, TX takes about 2 h 5 min, covering roughly 1,000 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 has a population of 1,445,662, vs 114,190 in Elgin — about 12.7× larger by population. By land area, San Antonio covers about 500 sq mi vs 38 sq mi for Elgin.
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 | Elgin | San Antonio | Difference |
|---|---|---|---|
| Median rent | $1,190/mo | $1,189/mo | 0.1% higher in Elgin |
| Median home value | $242,500 | $198,000 | 22.5% higher in Elgin |
| Median household income | $85,998 | $59,593 | 44.3% higher in Elgin |
| Groceries index | 106.3 | 94.2 | 12.8% higher in Elgin |
| Utilities index | 84.3 | 83.3 | 1.2% higher in Elgin |
| Transportation index | 100.2 | 96.6 | 3.7% higher in Elgin |
| Healthcare index | 100.4 | 96.1 | 4.4% higher in Elgin |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Elgin, you'd need $90,375 in San Antonio to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 9.6% cheaper overall than Elgin, IL, based on our cost-of-living index. Housing costs are roughly 17% higher in Elgin than in San Antonio. If you earn $80,000 in Elgin, you'd need about $72,300 in San Antonio to keep the same standard of living.