City comparison
O'Fallon, MO is about 1,600 miles (2,600 km) from Yakima, WA in a straight line. By road, the drive is roughly 2,000 miles, or about 33 hours (about 3 days at 10 h/day) 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 O'Fallon, MO to Yakima, WA takes about 3 h 12 min, covering roughly 1,600 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.
O'Fallon, MO is on Central Time and Yakima, WA is on Pacific Time — a 2-hour difference. When it's noon in O'Fallon, it's 10 a.m. in Yakima, which puts O'Fallon 2 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.
Yakima has a population of 96,764, vs 91,825 in O'Fallon — about the same size. By land area, O'Fallon covers about 31 sq mi vs 28 sq mi for Yakima.
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 | O'Fallon | Yakima | Difference |
|---|---|---|---|
| Median rent | $1,311/mo | $1,014/mo | 29.3% higher in O'Fallon |
| Median home value | $283,600 | $243,300 | 16.6% higher in O'Fallon |
| Median household income | $104,863 | $55,734 | 88.1% higher in O'Fallon |
| Groceries index | 99.7 | 104.9 | 5.3% higher in Yakima |
| Utilities index | 71.9 | 94.9 | 32.0% higher in Yakima |
| Transportation index | 98.5 | 99.9 | 1.5% higher in Yakima |
| Healthcare index | 98.7 | 99.9 | 1.2% higher in Yakima |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in O'Fallon, you'd need $100,034 in Yakima to maintain your standard of living.
Climate, safety, and demographics side by side.
O'Fallon and Yakima have nearly identical overall cost-of-living indices. Housing costs are roughly 11% higher in O'Fallon than in Yakima. If you earn $80,000 in O'Fallon, you'd need about $80,027 in Yakima to keep the same standard of living.