Traversing Washington state from Chehalis to Spokane Valley covers 356.2 miles and typically takes about 6 hours and 43 minutes of driving time. Because this route is almost entirely highway-focused, you can complete the journey in a single long day if you are comfortable behind the wheel for an extended period. With a fuel budget of approximately $75, you should plan your refueling stops strategically to keep costs efficient. While the trip stays within Washington, you are moving from the Pacific Coast region toward the eastern side of the state, resulting in a distinct shift in landscape. It is a straightforward, direct transit that prioritizes speed and efficiency over secondary roads, making it a reliable choice for travelers who need to reach their destination without unnecessary detours.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
178.1 miles from Chehalis, WA
A natural place for your longest stop of the day
, about 3h 27m into the drive
.
Main Roads
Road
Distance
Duration
I 90
263.1 mi
4h 46m
I 5
63.2 mi
1h 15m
State Route 18
27.3 mi
34m
West Main Street
0.6 mi
1m
Snoqualmie Parkway
0.1 mi
<1m
North Pines Road
<0.1 mi
<1m
North Market Boulevard
<0.1 mi
<1m
Longest stretch:
I 90
— 263.1 mi, about 4h 46m
Traffic on I-5
Hour-of-day weekday pattern from 128 FHWA count stations on your route.
Peak
4 PM
~4,588 veh/hr typical
Quietest
2 AM
~449 veh/hr
Peak-to-quiet ratio
10.2×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Chehalis, WA and Spokane Valley, WA.
1
Start on this road
119 ft·14 sec·this road
2
At end of road, turn left onto North Market Boulevard
79 ft·5 sec·North Market Boulevard
3
Turn right onto West Main Street
0.6 mi·1 min·West Main Street
4
Take the ramp
0.4 mi·54 sec
Toward I 5 North
5
Merge onto I 5; US 12
55 mi·1 hr 5 min·I 5; US 12
Use the straight / slight right lanes.
6
Keep slight right at fork onto I 5
8.2 mi·10 min·I 5
Use the slight right lane.
7
Take the exit
0.5 mi·1 min
Exit 142AToward WA 18 East: Auburn, Muckleshoot ReservationUse the straight / slight right lanes.
8
Merge onto WA 18
27 mi·34 min·State Route 18
Use the straight / slight right lanes.
9
Continue on WA 18
0.1 mi·8 sec·Snoqualmie Parkway
10
Take the exit
0.6 mi·1 min
Toward I 90 East: Spokane
11
Merge onto I 90
252 mi·4 hr 32 min·I 90
Use the straight / slight right lanes.
12
Merge onto I 90; US 2; US 395
11 mi·14 min·I 90; US 2; US 395
13
Take the exit
0.4 mi·51 sec
Toward WA 27
14
Turn left onto WA 27
148 ft·11 sec·North Pines Road
Use the straight / left lanes.
15
Arrive at destination
WA 27
Trip Plan
To manage the nearly 7-hour drive effectively, try to depart early in the morning to avoid congestion near major urban hubs. You should plan for at least one dedicated stop to stretch your legs and refuel, as this breaks up the long duration of the trip. Since the route is dominated by I-90, stay alert for changing traffic patterns and potential construction zones common on major interstate arteries. If you find the 356.2-mile distance too taxing for a single day, consider building in flexibility to split the drive into two parts. A concrete tip for this route is to monitor your fuel levels before hitting the longest 263.1-mile stretch on I-90, as service station access can vary significantly along the more remote sections of the interstate.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 178.1 miles from Chehalis, WA, or about 3h 27m into the drive.
The longest continuous stretch on this route runs about 263.1 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 78 miles or 1h 36m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 178.1 miles or 3h 27m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 5h 35m
Traffic, exits, and arrival timing usually matter more near Spokane Valley, WA than in the middle of the route.
Before You Leave
+
Open the route before leaving Chehalis, WA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Chehalis, WA
This is one driving day of about 356.2 miles and 6h 43m.
Your first comfortable stop window is around 78 miles from Chehalis, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 90 for about 263.1 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 12
5 decision points cluster between mile 0 and 64.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0 mi into trip|~0m in|North Market Boulevard
At end of road, turn left onto North Market Boulevard
Complex interchange - multiple decisions in a short stretch
5
1.1 mi into trip|~2m in|I 5; US 12
Merge onto I 5; US 12
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
56.1 mi into trip|~1h 7m in|I 5
Keep slight right at fork onto I 5
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
8
64.3 mi into trip|~1h 18m in
Take the exit toward WA 18 East: Auburn, Muckleshoot Reservation
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 142A
Toward WA 18 East: Auburn, Muckleshoot Reservat...
5
64.8 mi into trip|~1h 19m in|WA 18 / State Route 18
Merge onto WA 18 / State Route 18
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
Fuel & Cost
Regular Gas
$69.39 one way
$138.78 round trip
$4.95/gal25.4 MPG avg125 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.18
$72.70
$145.40
premium
$5.39
$75.60
$151.20
diesel
$4.80
$67.26
$134.51
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$69
Meals
$25–$50
Total
$94–$119
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 124.6 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $37 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
106.9
1
$37.40
$17.10
Efficient EV
89.1
1
$31.17
$14.25
EV Truck/SUV
142.5
1
$49.87
$22.80
Gas CO2
125 kg
EV CO2
42 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 17, 2026
Origin
Chehalis, WA
Evening
in Chehalis on Saturday
Local time
7:53 PM
PDT
Current temp
50°F
Areas Of Fog
S 1 mph0% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 17 at 2:31AM PDT by NWS Spokane WA
Special Weather Statement
Special Weather Statement issued July 17 at 2:26AM PDT by NWS Spokane WA
Destination
Spokane Valley, WA
Evening
in Spokane Valley on Saturday
Local time
7:53 PM
PDT
Current temp
63°F
Chance Showers And Thunderstorms
S 3 mph34% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 17 at 2:31AM PDT by NWS Spokane WA
Special Weather Statement
Special Weather Statement issued July 17 at 2:26AM PDT by NWS Spokane WA
54°F
North Bend, WA
178 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
13 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
6h 43m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Klondike Gold Rush - Seattle Unit National Historical Park
National Historical Park
Seattle flourished during and after the Klondike Gold Rush. Merchants supplied people from around the world passing through this port city on their way to a remarkable adventure in the Yukon Territory...
20 mi from route
~50 min detour
Free
near mile 73.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a highly consistent driving experience, as 99% of this route consists of high-speed highways. You will spend the vast majority of your time on I-90, which features a long, uninterrupted stretch of 263.1 miles that dominates the journey. After transitioning from I-5 and State Route 18, the road settles into a steady, interstate-focused rhythm. This drive is characterized by its fast-paced nature, offering a utilitarian flow rather than a technical or winding experience. You should anticipate a predictable, highway-heavy path that allows for steady cruising across the state.
99% highway — fuel and pacing are the main things to plan.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 263.1 mi on I 90.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on I 90 and I 5. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near North Market Boulevard.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 12 significant decision points across 356.2 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: near the start (North Market Boulevard): Complex interchange - multiple decisions in a short stretch; at 1.1 miles (I 5; US 12): Merge point - match speed before joining. Lane positioning matters here; at 56.1 miles (I 5): Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Hilly terrain with moderate elevation changes
2,541 ft167 ft
Total Climb
4,138 ft
Total Descent
2,349 ft
Highest Point
2,541 ft
~127.2 mi in
Elevation Range
2,373 ft
Notable High Points
2,541 ft at ~127.2 miles+653 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Chehalis, WA to Spokane Valley, WA, road signs begin pointing toward Muckleshoot Reservation along the way.
Spokane is the second-largest city in Washington State, and the largest between Seattle and Minneapolis. It is the economic hub of the "Inland Empire", a name used for Eastern Washington and the Idaho Panhandle (pre-dating by nearly a century the use of the same title by a region in Southern California). It is at the north edge of the Palouse, where gently rolling hills of wheat fields end at the Spokane River valley.
This article also includes the suburbs of Liberty Lake and Spokane Valley.
Doable as a same-day drive at 6h 43m. Total distance: 356.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
6h 43m drive, plan rest stops for pacing.
Frequently Asked Questions
The longest stretch is about 263.1 miles on I 90. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Spokane Valley, WA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: near the start (North Market Boulevard): Complex interchange - multiple decisions in a short stretch; at 1.1 miles (I 5; US 12): Merge point - match speed before joining. Lane positioning matters here; at 56.1 miles (I 5): Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Klondike Gold Rush - Seattle Unit National Historical Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 6.7 hours each way, a round trip means 13.4 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Spokane Valley, WA before the return drive.
