City comparison
Florissant, MO is about 10 miles (20 km) from St. Louis, MO in a straight line. By road, the drive is roughly 20 miles, or about 15 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 Florissant, MO to St. Louis, MO takes about 1 min, covering roughly 10 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.
St. Louis has a population of 298,018, vs 52,167 in Florissant — about 5.7× larger by population. By land area, St. Louis covers about 62 sq mi vs 13 sq mi for Florissant.
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 | Florissant | St. Louis | Difference |
|---|---|---|---|
| Median rent | $1,195/mo | $938/mo | 27.4% higher in Florissant |
| Median home value | $125,200 | $174,100 | 39.1% higher in St. Louis |
| Median household income | $64,178 | $52,941 | 21.2% higher in Florissant |
| Groceries index | 99.7 | 99.7 | ≈ equal |
| Utilities index | 71.9 | 71.9 | ≈ equal |
| Transportation index | 98.5 | 98.5 | ≈ equal |
| Healthcare index | 98.7 | 98.7 | ≈ equal |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Florissant, you'd need $99,132 in St. Louis to maintain your standard of living.
Climate, safety, and demographics side by side.
St. Louis, MO is about 0.9% cheaper overall than Florissant, MO, based on our cost-of-living index. If you earn $80,000 in Florissant, you'd need about $79,305 in St. Louis to keep the same standard of living.