This 327.5-mile drive from Sequim, WA to Kennewick, WA takes approximately 6 hours and 34 minutes, making it a manageable one-day trip. You'll primarily be on major highways, covering 95% of the route on interstates like I-90 and I-82, plus US-97. The estimated fuel cost for this journey is around $69, so plan accordingly. This trip offers a straightforward, highway-focused experience across Washington State, transitioning from the Pacific Coast region to another part of the same region.
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
163.7 miles from Sequim, WA
A natural place for your longest stop of the day
, about 3h 31m into the drive
.
Main Roads
Road
Distance
Duration
I 90
84.5 mi
1h 33m
I 82
64.1 mi
1h 8m
US 97
37.8 mi
42m
State Route 18
27.3 mi
34m
State Highway 16
26.5 mi
33m
State Highway 3 Northeast
23.2 mi
31m
US 101
19.9 mi
28m
I 5
8.5 mi
10m
Longest stretch:
I 90
— 84.5 mi, about 1h 33m
Traffic on I-5
Hour-of-day weekday pattern from 28 FHWA count stations on your route.
Peak
3 PM
~6,616 veh/hr typical
Quietest
2 AM
~759 veh/hr
Peak-to-quiet ratio
8.7×
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 Sequim, WA and Kennewick, WA.
1
Start on South Sequim Avenue
0.5 mi·1 min·South Sequim Avenue
2
Take the ramp
0.3 mi·38 sec
3
Merge onto US 101
20 mi·28 min·US 101
4
Take the exit
8.7 mi·11 min
5
Keep slight left at fork onto WA 104
0.1 mi·9 sec·State Route 104
6
Enter roundabout onto WA 104
101 ft·1 sec·State Route 104
7
Continue on WA 104
4.9 mi·6 min·State Route 104
8
Enter roundabout onto WA 104
117 ft·1 sec·State Route 104
9
Continue on WA 104
0.1 mi·16 sec·State Route 104
10
Continue on WA 104
1.6 mi·2 min·Hood Canal Floating Bridge
11
Take the exit
0.1 mi·13 sec
Use the right lane.
12
Merge onto WA 3
23 mi·31 min·State Highway 3 Northeast
Use the straight / slight right lanes.
13
Continue on WA 3
2.1 mi·3 min·State Highway 3 West
14
Continue on WA 16
0.2 mi·19 sec·West State Route 16
15
Continue on WA 16
27 mi·33 min·State Highway 16
Use the straight / slight right lanes.
16
Keep slight left at fork
1.0 mi·2 min
Use the straight / slight right lanes.
17
Keep slight left at fork
0.1 mi·16 sec
Toward I 5 North: SeattleUse the slight left lane.
18
Merge onto I 5
0.3 mi·19 sec·I 5
19
Keep slight right at fork onto I 5
8.2 mi·10 min·I 5
Use the slight right lane.
20
Take the exit
0.5 mi·1 min
Exit 142AToward WA 18 East: Auburn, Muckleshoot ReservationUse the straight / slight right lanes.
21
Merge onto WA 18
27 mi·34 min·State Route 18
Use the straight / slight right lanes.
22
Continue on WA 18
0.1 mi·8 sec·Snoqualmie Parkway
23
Take the exit
0.6 mi·1 min
Toward I 90 East: Spokane
24
Merge onto I 90
85 mi·1 hr 33 min·I 90
Use the straight / slight right lanes.
25
Take the exit onto US 97
38 mi·42 min·US 97
Toward I 82 East, US 97 South: YakimaUse the straight / slight right lanes.
26
Keep slight left at fork onto I 82; US 12
64 mi·1 hr 8 min·I 82; US 12
27
Take the exit onto US 12
5.5 mi·5 min·US 12
Exit 102Toward I‑182 east, US 12 east: Richland, Pasco
28
Take the exit onto WA 240
7.3 mi·9 min·WA 240
Toward SR 240 east: KennewickUse the straight / slight right lanes.
29
Enter roundabout onto West Columbia Drive
0.1 mi·9 sec·West Columbia Drive
30
Continue on West Columbia Drive
0.5 mi·1 min·West Columbia Drive
31
Turn right onto North Fruitland Street
0.6 mi·1 min·North Fruitland Street
32
Turn right onto West Kennewick Avenue
0.5 mi·1 min·West Kennewick Avenue
33
Turn right onto North Newport Street
0.1 mi·31 sec·North Newport Street
34
Arrive at destination
North Newport Street
Trip Plan
To make the most of this 6-hour and 34-minute drive, consider an early morning departure from Sequim to maximize daylight hours. With only one recommended stop, you have flexibility in pacing yourself. The 84.5-mile stretch on I-90 is a good point to plan a fuel or rest break if needed. Given the $69 fuel cost, monitoring your fuel gauge is wise, especially before embarking on longer highway segments. This is a straightforward route, so focus on comfortable pacing and enjoying the journey.
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 163.7 miles from Sequim, WA, or about 3h 31m into the drive.
The longest continuous stretch on this route runs about 84.5 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 72 miles or 1h 39m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 163.7 miles or 3h 31m 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 27m
Traffic, exits, and arrival timing usually matter more near Kennewick, WA than in the middle of the route.
Before You Leave
+
Open the route before leaving Sequim, 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 Sequim, WA
This is one driving day of about 327.5 miles and 6h 34m.
Your first comfortable stop window is around 72 miles from Sequim, 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 84.5 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 24
5 decision points cluster between mile 29.5 and 210.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
29.5 mi into trip|~41m in|WA 104 / State Route 104
Enter roundabout onto WA 104 / State Route 104
Roundabout - know your exit number before entering
6
88.2 mi into trip|~1h 59m in
Keep slight left at fork
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
7
89.2 mi into trip|~2h 1m in
Keep slight left at fork toward I 5 North: Seattle
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 5 North: Seattle
8
97.7 mi into trip|~2h 12m 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...
7
210.8 mi into trip|~4h 23m in|US 97
Take the exit onto US 97 toward I 82 East, US 97 South: Yakima
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.
Toward I 82 East, US 97 South: Yakima
Fuel & Cost
Regular Gas
$72.57 one way
$145.13 round trip
$5.63/gal25.4 MPG avg115 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.91
$76.14
$152.27
premium
$6.08
$78.39
$156.79
diesel
$5.35
$68.98
$137.96
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$73
Meals
$25–$50
Total
$98–$123
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 114.6 kg one way.
Prices: EIA weekly data, 2026-06-01.
Driving Electric?
About $34 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
98.3
1
$34.39
$15.72
Efficient EV
81.9
0
$28.66
$13.10
EV Truck/SUV
131
1
$45.85
$20.96
Gas CO2
115 kg
EV CO2
38 kg (67% 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 Jun 2, 2026
Origin
Sequim, WA
Afternoon
in Sequim on Wednesday
Local time
12:08 PM
PDT
Current temp
54°F
Partly Cloudy
W 2 mph1% chanceLive forecast
Flood Warning
Flood Warning issued June 1 at 12:21PM PDT by NWS Spokane WA
Destination
Kennewick, WA
Afternoon
in Kennewick on Wednesday
Local time
12:08 PM
PDT
Current temp
54°F
Mostly Cloudy
NE 2 to 8 mph2% chanceLive forecast
Flood Warning
Flood Warning issued June 1 at 12:21PM PDT by NWS Spokane WA
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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
6h 34m 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...
16 mi from route
~41 min detour
Free
near mile 67.8
San Juan Island is well known for its splendid vistas, saltwater shores, quiet woodlands, orca whales and one of the last remaining native prairies in the Puget Sound/Northern Straits region. But it w...
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a predominantly highway-focused drive, with 95% of the 327.5 miles on interstates and major highways. You'll encounter an 84.5-mile stretch on I-90, which is the longest uninterrupted segment, offering consistent speed. While the route is largely efficient, be prepared for long stretches of consistent driving. The character of the road is consistent for the majority of the journey, prioritizing direct travel over varied scenery.
95% highway — fuel and pacing are the main things to plan.
34 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 84.5 mi on I 90.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on I 90 and I 82. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 29.5 miles in near WA 104 / State Route 104.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 24 significant decision points across 327.5 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: at 29.5 miles (WA 104 / State Route 104): Roundabout - know your exit number before entering; at 88.2 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 89.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Hilly terrain with moderate elevation changes
2,412 ft16 ft
Total Climb
3,326 ft
Total Descent
3,104 ft
Highest Point
2,412 ft
~163.7 mi in
Elevation Range
2,396 ft
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 Sequim, WA to Kennewick, WA, road signs begin pointing toward Muckleshoot Reservation along the way.
Sequim is a small city on the Olympic Peninsula in Washington (state). Sequim is the sunniest place in Western Washington, because of the rain shadow created by the Olympic Mountains to the south, receiving much less rain than even nearby Port Angeles. This unique climate makes it an exceptional place to grow lavender, surpassed only by Provence in France. You may want to bring a bucket to pick lavender, strawberries, raspberries and blackberries. Sequim is also famous for the flavorful native Dungeness crab.
The city's name is pronounced SKWIM, as one syllable.
Kennewick is a city in Benton County along the Columbia River of Washington State, roughly between the Yakima and Snake Rivers on the south bank of the Columbia.
Kennewick is the largest of the Tri-Cities of Washington, which also includes Pasco and Richland. The Tri-Cities are the third most populous metropolitan area in the state, after Seattle-Tacoma and Spokane.
Doable as a same-day drive at 6h 34m. Total distance: 327.5 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
6h 34m drive, plan rest stops for pacing.
Frequently Asked Questions
The longest stretch is about 84.5 miles on I 90. The full list of main roads is in the Roads section above.
Yes — we found about 15 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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 Kennewick, 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. There are 15 rest areas along the route for bathroom stops.
The main spots that need attention: at 29.5 miles (WA 104 / State Route 104): Roundabout - know your exit number before entering; at 88.2 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 89.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Klondike Gold Rush - Seattle Unit National Historical Park and San Juan Island National Historical Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 6.6 hours each way, a round trip means 13.1 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Kennewick, WA before the return drive.
