How far is Kennewick, WA from Port Townsend, WA?
The driving distance from Kennewick, WA to Port Townsend, WA is about 281.3 miles (452.7 km), with a travel time of about 06h 24m by car.
- The straight-line flight distance is about 215.2 miles (346.3 km).
- For a round trip, plan for roughly 12h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 24m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Kittitas County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Kennewick and Port Townsend.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kennewick and Port Townsend.
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1
Start on North Newport Street
706 ft · 38 sec · North Newport Street
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2
Turn left onto West Kennewick Avenue
2790 ft · 1 min · West Kennewick Avenue
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3
Turn left onto North Fruitland Street
2961 ft · 2 min · North Fruitland Street
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4
Turn left onto West Columbia Drive
2787 ft · 1 min · West Columbia Drive
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5
Enter the roundabout and take exit 1 toward the route
669 ft · 9 sec
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6
Exit the roundabout
6.4 mi · 8 min
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7
Keep slight right
5.1 mi · 5 min
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8
Continue straight
616 ft · 8 sec
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9
Keep slight right to continue on I 82 West, US 12 West: Prosser, Yakima
70.9 mi · 1 hr 17 min
-
10
Continue straight
31 mi · 34 min
-
11
Keep slight left to continue on I 90 West
101.4 mi · 1 hr 54 min
-
12
Take the exit slight right toward I 405: Renton, Everett
1138 ft · 28 sec
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13
Keep slight right to continue on I 405 North: Everett, Bellevue
2439 ft · 59 sec
-
14
Merge slight left
8.1 mi · 10 min
-
15
Keep slight right
8.4 mi · 11 min
-
16
Keep slight right
2.3 mi · 3 min
-
17
Continue straight
5.8 mi · 9 min
-
18
Take the exit straight
812 ft · 22 sec
-
19
Continue on Paine Field Boulevard
1.2 km · 1 min · Paine Field Boulevard
-
20
Turn left onto 84th Street Southwest
2170 ft · 45 sec · 84th Street Southwest
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21
Turn right onto Mukilteo Speedway
1.9 mi · 5 min · Mukilteo Speedway
-
22
Turn right
759 ft · 15 sec
-
23
Turn slight left
1439 ft · 2 min
-
24
Continue on Mukilteo-Clinton Ferry
3 mi · 20 min · Mukilteo-Clinton Ferry
-
25
Continue on Ferry Dock
708 ft · 40 sec · Ferry Dock
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26
Continue on State Route 525
22 mi · 33 min · State Route 525
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27
Turn left onto State Route 20
3.3 mi · 5 min · State Route 20
-
28
Continue on South Engle Road
1226 ft · 1 min · South Engle Road
-
29
Continue on Engle Road
72 m · 8 sec · Engle Road
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30
Turn slight right
701 ft · 29 sec
-
31
Turn left onto State Route 20
28 m · 2 sec · State Route 20
-
32
Turn straight onto Port Townsend-Coupeville Ferry
5.8 mi · 35 min · Port Townsend-Coupeville Ferry
-
33
Continue on Ferry Dock
732 ft · 38 sec · Ferry Dock
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34
At the end of the road, turn right onto Water Street
1836 ft · 1 min · Water Street
-
35
Turn left onto Quincy Street
583 ft · 16 sec · Quincy Street
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36
Continue on Jefferson Street
846 ft · 23 sec · Jefferson Street
-
37
Turn right onto Tyler Street
730 ft · 20 sec · Tyler Street
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38
Arrive at your destination
0 m · 1 sec · Tyler Street
Car Route Details
A richer read on the saved driving route between Kennewick and Port Townsend.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 West
Keep slight left to continue on I 90 West
101 mi · 01h 54m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Kennewick and Mostly Sunny near Port Townsend.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kennewick to Port Townsend?
The road trip is about 281.3 miles (452.7 km) and usually takes 06h 24m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Cle Elum is a useful midpoint, sitting about 140.4 miles from Kennewick and 140.9 miles from Port Townsend.
How much longer is the road route than the straight-line distance?
The direct path is about 215.2 miles (346.3 km), while the road route adds roughly 66.1 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 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $51.91 one way or $103.82 round trip. Estimated CO2 is about 88.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Kennewick and Mostly Sunny near Port Townsend.
Stop Ideas Near Cle Elum
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 Cle Elum.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Kennewick and Port Townsend. Straight-line distance: 215.16 mi (346.26 km).
#1 Kennewick
The second most populous city in Benton County, Washington.
| Population | 84,515 |
| Coordinates | 46.2112500, -119.1372300 |
| Altitude | 124 |
| Country | United States |
#2 Port Townsend
City in and county seat of Jefferson County, Washington
| Population | 9,973 |
| Coordinates | 48.1170400, -122.7604500 |
| Altitude | 40 |
| Country | United States |
End: Port Townsend (-122.76045, 48.11704)
Estimated Travel Time
Distance: 453 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 22m |
| 40 mph (64.37 km/h) | 07h 01m |
| 50 mph (80.47 km/h) | 05h 37m |
| 60 mph (96.56 km/h) | 04h 41m |
| 70 mph (112.65 km/h) | 04h 01m |
| 80 mph (129 km/h) | 03h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $51.91 | $103.82 |
| Mid-grade | $5.57 | $55.22 | $110.45 |
| Premium | $5.77 | $57.25 | $114.50 |
| Diesel | $5.47 | $54.23 | $108.47 |
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 · May 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.