City comparison
North Charleston, 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 North Charleston, SC to San Antonio, TX takes about 2 h 14 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.
North Charleston, SC is on Eastern Time and San Antonio, TX is on Central Time — a 1-hour difference. When it's noon in North Charleston, it's 11 a.m. in San Antonio, which puts North Charleston 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 115,755 in North Charleston — about 12.5× larger by population. By land area, San Antonio covers about 500 sq mi vs 78 sq mi for North Charleston.
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 | North Charleston | San Antonio | Difference |
|---|---|---|---|
| Median rent | $1,288/mo | $1,189/mo | 8.3% higher in North Charleston |
| Median home value | $243,300 | $198,000 | 22.9% higher in North Charleston |
| Median household income | $58,534 | $59,593 | 1.8% higher in San Antonio |
| Groceries index | 96.5 | 94.2 | 2.5% higher in North Charleston |
| Utilities index | 88.8 | 83.3 | 6.6% higher in North Charleston |
| Transportation index | 98.5 | 96.6 | 1.9% higher in North Charleston |
| Healthcare index | 98.0 | 96.1 | 1.9% higher in North Charleston |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in North Charleston, you'd need $89,133 in San Antonio to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 10.9% cheaper overall than North Charleston, SC, based on our cost-of-living index. Housing costs are roughly 25% higher in North Charleston than in San Antonio. If you earn $80,000 in North Charleston, you'd need about $71,306 in San Antonio to keep the same standard of living.