City comparison
Downers Grove, 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 Downers Grove, IL to San Antonio, TX takes about 2 h 4 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 49,996 in Downers Grove — about 28.9× larger by population. By land area, San Antonio covers about 500 sq mi vs 15 sq mi for Downers Grove.
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 | Downers Grove | San Antonio | Difference |
|---|---|---|---|
| Median rent | $1,535/mo | $1,189/mo | 29.1% higher in Downers Grove |
| Median home value | $425,000 | $198,000 | 114.6% higher in Downers Grove |
| Median household income | $115,461 | $59,593 | 93.7% higher in Downers Grove |
| Groceries index | 106.3 | 94.2 | 12.8% higher in Downers Grove |
| Utilities index | 84.3 | 83.3 | 1.2% higher in Downers Grove |
| Transportation index | 100.2 | 96.6 | 3.7% higher in Downers Grove |
| Healthcare index | 100.4 | 96.1 | 4.4% higher in Downers Grove |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Downers Grove, you'd need $89,489 in San Antonio to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 10.5% cheaper overall than Downers Grove, IL, based on our cost-of-living index. Housing costs are roughly 19% higher in Downers Grove than in San Antonio. If you earn $80,000 in Downers Grove, you'd need about $71,591 in San Antonio to keep the same standard of living.