City comparison
San Antonio, TX is about 1,100 miles (1,800 km) from Summerville, SC 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 San Antonio, TX to Summerville, SC takes about 2 h 13 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.
San Antonio, TX is on Central Time and Summerville, SC is on Eastern Time — a 1-hour difference. When it's noon in San Antonio, it's 1 p.m. in Summerville, which puts San Antonio 1 hours behind.
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 50,839 in Summerville — about 28.4× larger by population. By land area, San Antonio covers about 500 sq mi vs 23 sq mi for Summerville.
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 | San Antonio | Summerville | Difference |
|---|---|---|---|
| Median rent | $1,189/mo | $1,328/mo | 11.7% higher in Summerville |
| Median home value | $198,000 | $276,600 | 39.7% higher in Summerville |
| Median household income | $59,593 | $73,712 | 23.7% higher in Summerville |
| Groceries index | 94.2 | 96.5 | 2.5% higher in Summerville |
| Utilities index | 83.3 | 88.8 | 6.6% higher in Summerville |
| Transportation index | 96.6 | 98.5 | 1.9% higher in Summerville |
| Healthcare index | 96.1 | 98.0 | 1.9% higher in Summerville |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in San Antonio, you'd need $112,330 in Summerville to maintain your standard of living.
Climate, safety, and demographics side by side.
San Antonio, TX is about 11% cheaper overall than Summerville, SC, based on our cost-of-living index. Housing costs are roughly 25% higher in Summerville than in San Antonio. If you earn $80,000 in San Antonio, you'd need about $89,864 in Summerville to keep the same standard of living.