City comparison
Rock Hill, SC is about 1,100 miles (1,800 km) from San Antonio, TX in a straight line. By road, the drive is roughly 1,400 miles, or about 23 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 Rock Hill, SC to San Antonio, TX takes about 2 h 11 min, covering roughly 1,100 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.
Rock Hill, SC is on Eastern Time and San Antonio, TX is on Central Time — a 1-hour difference. When it's noon in Rock Hill, it's 11 a.m. in San Antonio, which puts Rock Hill 1 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 74,170 in Rock Hill — about 19.5× larger by population. By land area, San Antonio covers about 500 sq mi vs 44 sq mi for Rock Hill.
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 | Rock Hill | San Antonio | Difference |
|---|---|---|---|
| Median rent | $1,193/mo | $1,189/mo | 0.3% higher in Rock Hill |
| Median home value | $232,500 | $198,000 | 17.4% higher in Rock Hill |
| Median household income | $60,807 | $59,593 | 2.0% higher in Rock Hill |
| Groceries index | 96.8 | 94.2 | 2.7% higher in Rock Hill |
| Utilities index | 89.7 | 83.3 | 7.6% higher in Rock Hill |
| Transportation index | 98.4 | 96.6 | 1.8% higher in Rock Hill |
| Healthcare index | 97.9 | 96.1 | 1.9% higher in Rock Hill |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Rock Hill, you'd need $97,150 in San Antonio to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 2.9% cheaper overall than Rock Hill, SC, based on our cost-of-living index. Housing costs are roughly 3% higher in Rock Hill than in San Antonio. If you earn $80,000 in Rock Hill, you'd need about $77,720 in San Antonio to keep the same standard of living.