City comparison
Kennewick, WA is about 175 miles (300 km) from Seattle, WA in a straight line. By road, the drive is roughly 225 miles, or about 3 h 45 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 Kennewick, WA to Seattle, WA takes about 22 min, covering roughly 175 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.
Seattle has a population of 734,603, vs 83,823 in Kennewick — about 8.8× larger by population. By land area, Seattle covers about 84 sq mi vs 29 sq mi for Kennewick.
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 | Kennewick | Seattle | Difference |
|---|---|---|---|
| Median rent | $1,113/mo | $1,945/mo | 74.8% higher in Seattle |
| Median home value | $318,400 | $879,900 | 176.4% higher in Seattle |
| Median household income | $70,429 | $116,068 | 64.8% higher in Seattle |
| Groceries index | 104.9 | 103.0 | 1.8% higher in Kennewick |
| Utilities index | 96.4 | 92.5 | 4.2% higher in Kennewick |
| Transportation index | 99.9 | 108.1 | 8.1% higher in Seattle |
| Healthcare index | 99.9 | 108.8 | 8.9% higher in Seattle |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Kennewick, you'd need $126,790 in Seattle to maintain your standard of living.
Climate, safety, and demographics side by side.
Kennewick, WA is about 21.1% cheaper overall than Seattle, WA, based on our cost-of-living index. Housing costs are roughly 61% higher in Seattle than in Kennewick. If you earn $80,000 in Kennewick, you'd need about $101,432 in Seattle to keep the same standard of living.