City comparison
Elyria, OH is about 500 miles (800 km) from O'Fallon, MO in a straight line. By road, the drive is roughly 600 miles, or about 10 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 Elyria, OH to O'Fallon, MO takes about 59 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.
Elyria, OH is on Eastern Time and O'Fallon, MO is on Central Time — a 1-hour difference. When it's noon in Elyria, it's 11 a.m. in O'Fallon, which puts Elyria 1 hours ahead.
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.
O'Fallon has a population of 91,825, vs 52,780 in Elyria — about 1.7× larger by population. By land area, O'Fallon covers about 31 sq mi vs 21 sq mi for Elyria.
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 | Elyria | O'Fallon | Difference |
|---|---|---|---|
| Median rent | $835/mo | $1,311/mo | 57.0% higher in O'Fallon |
| Median home value | $131,000 | $283,600 | 116.5% higher in O'Fallon |
| Median household income | $49,569 | $104,863 | 111.5% higher in O'Fallon |
| Groceries index | 93.9 | 99.7 | 6.2% higher in O'Fallon |
| Utilities index | 95.6 | 71.9 | 33.0% higher in Elyria |
| Transportation index | 98.8 | 98.5 | ≈ equal (Elyria slightly higher) |
| Healthcare index | 99.0 | 98.7 | ≈ equal (Elyria slightly higher) |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Elyria, you'd need $100,034 in O'Fallon to maintain your standard of living.
Climate, safety, and demographics side by side.
Elyria and O'Fallon have nearly identical overall cost-of-living indices. Housing costs are roughly 4% higher in O'Fallon than in Elyria. If you earn $80,000 in Elyria, you'd need about $80,027 in O'Fallon to keep the same standard of living.