Driving
Chehalis to Tri-Cities
Updated: 01 Jun 2026
The trip from Chehalis to the Tri-Cities (Kennewick, Pasco, and Richland) covers 340 kilometers. The most direct route involves taking US-12 East through the Cascade Mountains. This journey takes approximately 4 hours, transitioning from the wet western side of the state to the dry, agricultural landscape of the Columbia Basin. You will pass through small mountain towns before descending into the expansive valley where the Columbia, Snake, and Yakima rivers converge.
Total Distance: 340 km driving distance, 275 km straight-line air distance.
Fastest Way
Driving via US-12 is the fastest route, taking 4 hours.
Cheapest Way
Driving is the only practical way to reach the Tri-Cities from Chehalis.
Compare Chehalis to Tri-Cities Routes
Driving
Direct
Duration
4 hours
Avg Price
$40-$55 in fuel
Operator
Personal Vehicle
Route
US-12 East through White Pass and Yakima.
The route is well-maintained but requires caution in mountain sections.
Travel Tips
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Route PlanningCheck for construction delays on US-12 near Yakima.
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Wind AwarenessThe Tri-Cities area can experience high winds; secure loose items on your vehicle.
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Rest StopsYakima is the best place for a major meal break.
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NavigationDownload offline maps as service drops in the mountains.
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Sun ProtectionThe Tri-Cities area is much sunnier than Chehalis; bring sunglasses.
Safety Tips
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Mountain SafetyAvoid driving the pass during heavy snow or ice warnings.
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Speed LimitsObserve speed limits strictly when entering small towns along US-12.
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FatigueTake breaks every 2 hours to stay alert on the long drive.
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Vehicle CheckEnsure your cooling system is in good shape for the desert heat.
People Also Ask
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Which city is the Tri-Cities?It consists of Kennewick, Pasco, and Richland.
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Is there a train?No, there is no passenger rail service between these locations.
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How long is the drive?It takes about 4 hours under normal traffic.
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Are there tolls?No, there are no tolls on this route.
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What is the best time to leave?Early morning to avoid afternoon traffic in Yakima.
Quick Info
- From Chehalis, Washington, United States
- To Tri-Cities, Washington, United States
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Modes
Best Time to Travel
May to June or September to October for mild temperatures.
Things to Do in Tri-Cities
1
Sacajawea State Park
Located at the confluence of the Snake and Columbia rivers, this park offers historical exhibits and picnic areas.
2
Columbia Park
A massive waterfront park in Kennewick featuring walking paths, playgrounds, and the World's Largest Playground.
3
Hanford Reach National Monument
A unique area offering hiking trails and opportunities to learn about the region's scientific history.
4
TRAC Center
A major event venue in Pasco hosting trade shows, concerts, and regional sports tournaments.
Tags
Chehalis to Tri-Cities
driving to Kennewick
US-12 Washington
Tri-Cities travel
Chehalis road trip
Washington state travel
Richland Washington
Pasco Washington
