How far is Sequim, WA from Kennewick, WA?
The driving distance from Sequim, WA to Kennewick, WA is about 315.5 miles (507.7 km), with a travel time of about 05h 25m by car.
- The straight-line flight distance is about 226.6 miles (364.7 km).
- For a round trip, plan for roughly 10h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 05h 25m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Kittitas County, Washington, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Sequim and Kennewick.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sequim and Kennewick.
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1
Start on South Sequim Avenue
2558 ft · 1 min · South Sequim Avenue
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2
Take the ramp left
1399 ft · 38 sec
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3
Merge slight left
19.9 mi · 28 min
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4
Take the exit right
8.7 mi · 11 min
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5
Keep slight left to continue on State Route 104
700 ft · 10 sec · State Route 104
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6
Enter the roundabout and take exit 1 toward State Route 104
31 m · 1 sec · State Route 104
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7
Exit the roundabout onto State Route 104
4.9 mi · 6 min · State Route 104
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8
Enter the roundabout and take exit 2 toward State Route 104
36 m · 2 sec · State Route 104
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9
Exit the roundabout onto State Route 104
791 ft · 17 sec · State Route 104
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10
Continue on Hood Canal Floating Bridge
1.6 mi · 3 min · Hood Canal Floating Bridge
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11
Take the exit slight right
617 ft · 13 sec
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12
Merge slight left onto State Highway 3 Northeast
23.2 mi · 31 min · State Highway 3 Northeast
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13
Continue on State Highway 3 West
2.1 mi · 3 min · State Highway 3 West
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14
Continue on West State Route 16
915 ft · 20 sec · West State Route 16
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15
Continue on State Highway 16
26.5 mi · 34 min · State Highway 16
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16
Keep slight left
1.5 km · 2 min
-
17
Keep slight left to continue on I 5 North: Seattle
683 ft · 17 sec
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18
Merge slight left
1356 ft · 19 sec
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19
Keep slight right
8.2 mi · 10 min
-
20
Take the exit slight right toward WA 18 East: Auburn, Muckleshoot Reservation
2644 ft · 1 min
-
21
Merge slight left onto State Route 18
27.3 mi · 35 min · State Route 18
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22
Continue on Snoqualmie Parkway
656 ft · 8 sec · Snoqualmie Parkway
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23
Take the exit slight right toward I 90 East: Spokane
3019 ft · 1 min
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24
Merge slight left
84.5 mi · 1 hr 33 min
-
25
Take the exit slight right toward I 82 East, US 97 South: Yakima
37.8 mi · 43 min
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26
Keep slight left
64.1 mi · 1 hr 9 min
-
27
Take the exit slight right toward I‑182 east, US 12 east: Richland, Pasco
5.5 mi · 6 min
-
28
Take the exit slight right toward SR 240 east: Kennewick
7.3 mi · 9 min
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29
Enter the roundabout and take exit 2 toward West Columbia Drive
718 ft · 9 sec · West Columbia Drive
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30
Exit the roundabout onto West Columbia Drive
2794 ft · 1 min · West Columbia Drive
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31
Turn right onto North Fruitland Street
2961 ft · 2 min · North Fruitland Street
-
32
Turn right onto West Kennewick Avenue
2790 ft · 1 min · West Kennewick Avenue
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33
Turn right onto North Newport Street
706 ft · 31 sec · North Newport Street
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34
Arrive at your destination
0 m · 1 sec · North Newport Street
Car Route Details
A richer read on the saved driving route between Sequim and Kennewick.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 East
Merge slight left
84.5 mi · 01h 33m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny leaving Sequim and Partly Sunny near Kennewick.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sequim to Kennewick?
The road trip is about 315.5 miles (507.7 km) and usually takes 05h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Roslyn is a useful midpoint, sitting about 163.5 miles from Sequim and 152 miles from Kennewick.
How much longer is the road route than the straight-line distance?
The direct path is about 226.6 miles (364.7 km), while the road route adds roughly 88.9 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 6:08 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $58.24 one way or $116.49 round trip. Estimated CO2 is about 98.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Sequim and Partly Sunny near Kennewick.
Stop Ideas Near Roslyn
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Roslyn.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Sequim and Kennewick. Straight-line distance: 226.63 mi (364.73 km).
#1 Sequim
City in Clallam County, Washington, United States
| Population | 7,780 |
| Coordinates | 48.0796300, -123.1023400 |
| Altitude | 55 |
| Country | United States |
#2 Kennewick
The second most populous city in Benton County, Washington.
| Population | 84,515 |
| Coordinates | 46.2112500, -119.1372300 |
| Altitude | 124 |
| Country | United States |
End: North Newport Street (-119.137182, 46.21125)
Estimated Travel Time
Distance: 508 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 30m |
| 40 mph (64.37 km/h) | 07h 53m |
| 50 mph (80.47 km/h) | 06h 18m |
| 60 mph (96.56 km/h) | 05h 15m |
| 70 mph (112.65 km/h) | 04h 30m |
| 80 mph (129 km/h) | 03h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $58.24 | $116.49 |
| Mid-grade | $5.57 | $61.96 | $123.92 |
| Premium | $5.77 | $64.23 | $128.46 |
| Diesel | $5.47 | $60.85 | $121.70 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Washington · Jun 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.