City comparison
Roseville, CA is about 900 miles (1,400 km) from Thornton, CO in a straight line. By road, the drive is roughly 1,100 miles, or about 18 hours 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 Roseville, CA to Thornton, CO takes about 1 h 45 min, covering roughly 900 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.
Roseville, CA is on Pacific Time and Thornton, CO is on Mountain Time — a 1-hour difference. When it's noon in Roseville, it's 1 p.m. in Thornton, which puts Roseville 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.
Roseville has a population of 148,879, vs 141,799 in Thornton — about the same size. By land area, Roseville covers about 44 sq mi vs 37 sq mi for Thornton.
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 | Roseville | Thornton | Difference |
|---|---|---|---|
| Median rent | $1,940/mo | $1,758/mo | 10.4% higher in Roseville |
| Median home value | $596,700 | $445,200 | 34.0% higher in Roseville |
| Median household income | $112,265 | $95,064 | 18.1% higher in Roseville |
| Groceries index | 105.1 | 101.2 | 3.8% higher in Roseville |
| Utilities index | 148.9 | 91.2 | 63.3% higher in Roseville |
| Transportation index | 100.7 | 99.9 | 0.8% higher in Roseville |
| Healthcare index | 100.6 | 99.9 | 0.7% higher in Roseville |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Roseville, you'd need $99,849 in Thornton to maintain your standard of living.
Climate, safety, and demographics side by side.
Roseville and Thornton have nearly identical overall cost-of-living indices. Housing costs are roughly 11% higher in Thornton than in Roseville. If you earn $80,000 in Roseville, you'd need about $79,879 in Thornton to keep the same standard of living.