How far is Kennewick, WA from Vashon, WA?
The driving distance from Kennewick, WA to Vashon, WA is about 240.5 miles (387.1 km), with a travel time of about 05h 00m by car.
- The straight-line flight distance is about 178.8 miles (287.7 km).
- For a round trip, plan for roughly 10h 01m 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 00m.
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.
Slight Chance Light Rain
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Kennewick and Vashon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kennewick and Vashon.
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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
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10
Continue straight
31 mi · 34 min
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11
Keep slight left to continue on I 90 West
107.5 mi · 2 hr 2 min
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12
Continue on Mount Baker Ridge Tunnel
1.6 mi · 2 min · Mount Baker Ridge Tunnel
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13
Take the exit slight left toward I 5 South: Portland, Tacoma
1.3 mi · 2 min
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14
Take the exit slight right toward West Seattle Bridge, Columbian Way
784 ft · 19 sec
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15
Keep slight right to continue on Spokane Street, West Seattle Bridge
2068 ft · 50 sec
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16
Continue on West Seattle Bridge
2.2 mi · 4 min · West Seattle Bridge
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17
Continue on Fauntleroy Way Southwest
3.7 mi · 11 min · Fauntleroy Way Southwest
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18
Keep slight right to continue on Southwest Barton Street
52 m · 3 sec · Southwest Barton Street
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19
Turn slight right onto Fauntleroy Ferry Terminal
718 ft · 12 sec · Fauntleroy Ferry Terminal
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20
Turn straight onto Fauntleroy - Vashon Island Ferry
3.4 mi · 20 min · Fauntleroy - Vashon Island Ferry
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21
Continue on Ferry Dock
888 ft · 1 min · Ferry Dock
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22
Turn right onto 103rd Avenue Southwest
1.2 km · 2 min · 103rd Avenue Southwest
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23
At the end of the road, turn right onto Vashon Highway Southwest
3.8 mi · 7 min · Vashon Highway Southwest
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24
Turn left onto Southwest Bank Road
49 m · 7 sec · Southwest Bank Road
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25
Turn right onto 98th Place Southwest
8 m · 1 sec · 98th Place Southwest
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26
Arrive at your destination
0 m · 1 sec · 98th Place Southwest
Car Route Details
A richer read on the saved driving route between Kennewick and Vashon.
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
107 mi · 02h 02m
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.
Slight Chance Light Rain leaving Kennewick and Chance Light Rain near Vashon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kennewick to Vashon?
The road trip is about 240.5 miles (387.1 km) and usually takes 05h 00m 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?
Ellensburg is a useful midpoint, sitting about 120 miles from Kennewick and 120.5 miles from Vashon.
How much longer is the road route than the straight-line distance?
The direct path is about 178.8 miles (287.7 km), while the road route adds roughly 61.7 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 6:58 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $44.43 one way or $88.86 round trip. Estimated CO2 is about 75.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Light Rain around Kennewick and Chance Light Rain near Vashon.
Stop Ideas Near Ellensburg
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 Ellensburg.
Columbia Station
Quincy, Washington
Leavenworth, Washington
Leavenworth
Flight Path Map
This map shows the direct air route between Kennewick and Vashon. Straight-line distance: 178.76 mi (287.69 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 Vashon
Town on Vashon Island in King County, Washington, United States
| Population | 10,624 |
| Coordinates | 47.4473200, -122.4598500 |
| Altitude | 116 |
| Country | United States |
End: Vashon (-122.45985, 47.44732)
Estimated Travel Time
Distance: 387 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 00m |
| 40 mph (64.37 km/h) | 06h 00m |
| 50 mph (80.47 km/h) | 04h 48m |
| 60 mph (96.56 km/h) | 04h 00m |
| 70 mph (112.65 km/h) | 03h 26m |
| 80 mph (129 km/h) | 03h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $44.43 | $88.86 |
| Mid-grade | $5.57 | $47.26 | $94.53 |
| Premium | $5.77 | $49.00 | $97.99 |
| Diesel | $5.47 | $46.41 | $92.83 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.