City comparison
Dallas, TX is about 175 miles (275 km) from Round Rock, TX in a straight line. By road, the drive is roughly 200 miles, or about 3 h 30 min 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 Dallas, TX to Round Rock, TX takes about 20 min, covering roughly 175 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.
Dallas has a population of 1,300,642, vs 120,465 in Round Rock — about 10.8× larger by population. By land area, Dallas covers about 340 sq mi vs 38 sq mi for Round Rock.
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 | Dallas | Round Rock | Difference |
|---|---|---|---|
| Median rent | $1,305/mo | $1,586/mo | 21.5% higher in Round Rock |
| Median home value | $270,700 | $337,500 | 24.7% higher in Round Rock |
| Median household income | $63,985 | $91,888 | 43.6% higher in Round Rock |
| Groceries index | 101.7 | 94.2 | 8.0% higher in Dallas |
| Utilities index | 89.3 | 83.2 | 7.3% higher in Dallas |
| Transportation index | 98.5 | 96.6 | 2.0% higher in Dallas |
| Healthcare index | 99.7 | 96.1 | 3.7% higher in Dallas |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Dallas, you'd need $99,273 in Round Rock to maintain your standard of living.
Climate, safety, and demographics side by side.
Round Rock, TX is about 0.7% cheaper overall than Dallas, TX, based on our cost-of-living index. Housing costs are roughly 4% higher in Round Rock than in Dallas. If you earn $80,000 in Dallas, you'd need about $79,419 in Round Rock to keep the same standard of living.