Driving Time from Kennewick to Sammamish
Driving from Kennewick to Sammamish is about 222 mi and takes roughly 3 hr 58 min. See the fuel-cost estimate, distance and route tips.
Kennewick and Sammamish are about 170 mi (274 km) apart in a straight line. By road that works out to roughly 222 mi (357 km), a drive of about 3 hr 58 min. A nonstop flight covers the great-circle distance in approximately 49 min.
| Straight-line distance | 170 mi / 274 km |
| Road distance (est.) | 222 mi / 357 km |
| Driving time (est.) | 3 hr 58 min |
| Nonstop flight (est.) | 49 min |
| Driving fuel (est., 1-way) | $28 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 46.936, -120.589 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Kennewick to Sammamish is about 170 mi (274 km) in a straight line, and roughly 222 mi (357 km) by road.