City comparison
Independence, MO is about 200 miles (325 km) from O'Fallon, MO in a straight line. By road, the drive is roughly 250 miles, or about 4 h 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 Independence, MO to O'Fallon, MO takes about 24 min, covering roughly 200 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.
Independence has a population of 122,218, vs 91,825 in O'Fallon — about 1.3× larger by population. By land area, Independence covers about 78 sq mi vs 31 sq mi for O'Fallon.
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 | Independence | O'Fallon | Difference |
|---|---|---|---|
| Median rent | $1,020/mo | $1,311/mo | 28.5% higher in O'Fallon |
| Median home value | $150,800 | $283,600 | 88.1% higher in O'Fallon |
| Median household income | $57,415 | $104,863 | 82.6% higher in O'Fallon |
| Groceries index | 94.3 | 99.7 | 5.7% higher in O'Fallon |
| Utilities index | 89.3 | 71.9 | 24.2% higher in Independence |
| Transportation index | 93.7 | 98.5 | 5.1% higher in O'Fallon |
| Healthcare index | 93.9 | 98.7 | 5.1% higher in O'Fallon |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Independence, you'd need $98,681 in O'Fallon to maintain your standard of living.
Climate, safety, and demographics side by side.
O'Fallon, MO is about 1.3% cheaper overall than Independence, MO, based on our cost-of-living index. Housing costs are roughly 6% higher in Independence than in O'Fallon. If you earn $80,000 in Independence, you'd need about $78,945 in O'Fallon to keep the same standard of living.