Is Kennewick part of Tri-Cities?

Yes, Kennewick is one of the three cities that make up the Tri-Cities.

How long is the drive?

The drive is approximately 4 hours.

No, there is no direct passenger rail service between these cities.

What is the best route?

The most direct route is US-95 to I-90 to I-82.

Is it a difficult drive?

No, it is a standard highway drive with no major mountain passes.

Sandpoint

Kennewick

Driving

Sandpoint to Kennewick

Updated: 28 May 2026

The trip from Sandpoint to Kennewick covers roughly 350 kilometers. You will head south on US-95 toward Coeur d'Alene before merging onto I-90 West and eventually I-82 East. This route takes you through the heart of the Inland Northwest, passing near Spokane. The drive is straightforward and typically takes 4 hours. It is the most efficient way to reach the Tri-Cities area from Northern Idaho.

Total Distance: 350 km driving distance; 280 km straight-line air distance.

Fastest Way

Driving via US-95 and I-90 is the fastest route, taking 4 hours.

Cheapest Way

Driving your own car is the most economical way to travel.

Compare Sandpoint to Kennewick Routes

Driving

Direct

Duration

4 hours

Avg Price

$45-$70 in fuel

Operator

Personal Vehicle

Route

US-95 South to I-90 West to I-82 East.

Traffic in Spokane can be heavy during rush hour; plan accordingly.

Travel Tips

Traffic Timing
Avoid passing through Spokane between 7 AM and 9 AM to save time.
Rest Stops
Stop in Coeur d'Alene for a quick break and lake views.
Hydration
The Tri-Cities area is semi-arid; keep water in your car.
Navigation
Use a GPS app to monitor real-time traffic on I-90.
Vehicle Check
Ensure your tires are properly inflated for the highway drive.

Safety Tips

Highway Speeds
Maintain a safe following distance on I-90 where speeds are higher.
Fatigue
Take a break every two hours to stay alert behind the wheel.
Weather Alerts
Check for high wind warnings in the Columbia Basin.
Emergency Supplies
Carry a basic first-aid kit and jumper cables.