How far is Port Townsend, WA from Kennewick, WA?
The driving distance from Port Townsend, WA to Kennewick, WA is about 305.3 miles (491.4 km), with a travel time of about 05h 21m by car.
- The straight-line flight distance is about 215.2 miles (346.3 km).
- For a round trip, plan for roughly 10h 42m 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 21m.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Port Townsend and Kennewick.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Townsend and Kennewick.
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1
Start on Tyler Street
730 ft · 20 sec · Tyler Street
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2
Turn left onto Jefferson Street
846 ft · 23 sec · Jefferson Street
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3
Continue on Quincy Street
583 ft · 18 sec · Quincy Street
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4
Turn right onto Water Street
1836 ft · 1 min · Water Street
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5
Turn left onto Ferry Dock
29 m · 3 sec · Ferry Dock
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6
Keep slight right to continue on Ferry Dock
147 m · 10 sec · Ferry Dock
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7
At the end of the road, turn right onto Port Townsend Slip 2
48 m · 3 sec · Port Townsend Slip 2
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8
Continue on Port Townsend-Coupeville Ferry
5.8 mi · 35 min · Port Townsend-Coupeville Ferry
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9
Continue on State Route 20
73 m · 8 sec · State Route 20
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10
At the end of the road, turn right onto South Engle Road
158 m · 18 sec · South Engle Road
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11
Continue on State Route 20
3.3 mi · 5 min · State Route 20
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12
Turn right onto State Route 525
22 mi · 33 min · State Route 525
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13
Continue on 2
125 m · 9 sec · 2
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14
Turn right onto Ferry Dock
61 m · 11 sec · Ferry Dock
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15
Continue on Mukilteo-Clinton Ferry
3 mi · 20 min · Mukilteo-Clinton Ferry
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16
Continue straight
2190 ft · 2 min
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17
At the end of the road, turn left onto Mukilteo Speedway
1.9 mi · 5 min · Mukilteo Speedway
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18
Turn left onto 84th Street Southwest
2113 ft · 44 sec · 84th Street Southwest
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19
Turn right onto Paine Field Boulevard
1.3 km · 58 sec · Paine Field Boulevard
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20
Turn slight left onto Mukilteo Speedway
5.8 mi · 9 min · Mukilteo Speedway
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21
Continue straight
1.4 mi · 2 min
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22
Keep slight right
17.1 mi · 21 min
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23
Take the exit slight right toward I 90: Spokane, Seattle
2527 ft · 1 min
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24
Keep slight left to continue on I 90 East: Spokane
2797 ft · 1 min
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25
Merge slight left
100.5 mi · 1 hr 52 min
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26
Take the exit slight right toward I 82 East, US 97 South: Yakima
37.8 mi · 43 min
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27
Keep slight left
64.1 mi · 1 hr 9 min
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28
Take the exit slight right toward I‑182 east, US 12 east: Richland, Pasco
5.5 mi · 6 min
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29
Take the exit slight right toward SR 240 east: Kennewick
7.3 mi · 9 min
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30
Enter the roundabout and take exit 2 toward West Columbia Drive
718 ft · 9 sec · West Columbia Drive
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31
Exit the roundabout onto West Columbia Drive
2794 ft · 1 min · West Columbia Drive
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32
Turn right onto North Fruitland Street
2961 ft · 2 min · North Fruitland Street
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33
Turn right onto West Kennewick Avenue
2790 ft · 1 min · West Kennewick Avenue
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34
Turn right onto North Newport Street
706 ft · 31 sec · North Newport Street
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35
Arrive at your destination
0 m · 1 sec · North Newport Street
Car Route Details
A richer read on the saved driving route between Port Townsend 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
101 mi · 01h 52m
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.
Mostly Sunny leaving Port Townsend and Mostly Sunny near Kennewick.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Townsend to Kennewick?
The road trip is about 305.3 miles (491.4 km) and usually takes 05h 21m 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?
Cle Elum is a useful midpoint, sitting about 140.4 miles from Port Townsend and 164.9 miles from Kennewick.
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 90.1 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 6:18 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $56.36 one way or $112.72 round trip. Estimated CO2 is about 95.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Port Townsend and Mostly Sunny near Kennewick.
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 Port Townsend and Kennewick. Straight-line distance: 215.16 mi (346.26 km).
#1 Port Townsend
City in and county seat of Jefferson County, Washington
| Population | 9,973 |
| Coordinates | 48.1170400, -122.7604500 |
| Altitude | 40 |
| 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: 491 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 10m |
| 40 mph (64.37 km/h) | 07h 38m |
| 50 mph (80.47 km/h) | 06h 06m |
| 60 mph (96.56 km/h) | 05h 05m |
| 70 mph (112.65 km/h) | 04h 21m |
| 80 mph (129 km/h) | 03h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $56.36 | $112.72 |
| Mid-grade | $5.57 | $59.96 | $119.91 |
| Premium | $5.77 | $62.15 | $124.31 |
| Diesel | $5.47 | $58.88 | $117.76 |
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.