City comparison
Detroit, MI is about 1,200 miles (2,000 km) from San Antonio, TX in a straight line. By road, the drive is roughly 1,500 miles, or about 26 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 Detroit, MI to San Antonio, TX takes about 2 h 29 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.
San Antonio has a population of 1,445,662, vs 636,787 in Detroit — about 2.3× larger by population. By land area, San Antonio covers about 500 sq mi vs 140 sq mi for Detroit.
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 | Detroit | San Antonio | Difference |
|---|---|---|---|
| Median rent | $989/mo | $1,189/mo | 20.2% higher in San Antonio |
| Median home value | $66,700 | $198,000 | 196.9% higher in San Antonio |
| Median household income | $37,761 | $59,593 | 57.8% higher in San Antonio |
| Groceries index | 99.0 | 94.2 | 5.1% higher in Detroit |
| Utilities index | 103.7 | 83.3 | 24.5% higher in Detroit |
| Transportation index | 102.7 | 96.6 | 6.3% higher in Detroit |
| Healthcare index | 103.4 | 96.1 | 7.5% higher in Detroit |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Detroit, you'd need $95,795 in San Antonio to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 4.2% cheaper overall than Detroit, MI, based on our cost-of-living index. If you earn $80,000 in Detroit, you'd need about $76,636 in San Antonio to keep the same standard of living.