City comparison
St. Charles, MO is about 500 miles (850 km) from Tyler, TX in a straight line. By road, the drive is roughly 650 miles, or about 11 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 St. Charles, MO to Tyler, TX takes about 1 h 3 min, covering roughly 500 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.
Tyler has a population of 106,440, vs 70,687 in St. Charles — about 1.5× larger by population. By land area, Tyler covers about 58 sq mi vs 25 sq mi for St. Charles.
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 | St. Charles | Tyler | Difference |
|---|---|---|---|
| Median rent | $1,115/mo | $1,113/mo | 0.2% higher in St. Charles |
| Median home value | $259,700 | $205,200 | 26.6% higher in St. Charles |
| Median household income | $83,589 | $63,056 | 32.6% higher in St. Charles |
| Groceries index | 99.7 | 94.2 | 5.8% higher in St. Charles |
| Utilities index | 71.9 | 84.0 | 16.8% higher in Tyler |
| Transportation index | 98.5 | 96.6 | 1.9% higher in St. Charles |
| Healthcare index | 98.7 | 96.1 | 2.7% higher in St. Charles |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in St. Charles, you'd need $99,819 in Tyler to maintain your standard of living.
Climate, safety, and demographics side by side.
St. Charles and Tyler have nearly identical overall cost-of-living indices. If you earn $80,000 in St. Charles, you'd need about $79,855 in Tyler to keep the same standard of living.