How far is Clarkston, WA from Seattle, WA?
The driving distance from Clarkston, WA to Seattle, WA is about 306 miles (492.5 km), with a travel time of about 05h 16m by car.
- The straight-line flight distance is about 262.2 miles (422 km).
- For a round trip, plan for roughly 10h 33m 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 16m.
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 Grant County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Clarkston and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Clarkston and Seattle.
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1
Start on 6th Street
1325 ft · 51 sec · 6th Street
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2
Turn left onto Bridge Street
2.1 mi · 4 min · Bridge Street
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3
Continue on Inland Empire Highway
1.4 mi · 2 min · Inland Empire Highway
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4
Continue on US Highway 12
25 mi · 31 min · US Highway 12
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5
Continue on Villard
2811 ft · 36 sec · Villard
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6
Continue on Main Street
13.8 mi · 17 min · Main Street
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7
Turn right onto Owens Road
46 m · 7 sec · Owens Road
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8
Turn left
8.5 mi · 11 min
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9
Take the exit slight right
92 m · 8 sec
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10
Turn straight onto State Route 261
29.3 mi · 51 min · State Route 261
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11
At the end of the road, turn right
6.4 mi · 11 min
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12
Turn left onto State Highway 26
2.9 mi · 3 min · State Highway 26
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13
Continue on State Route 26
63.1 mi · 1 hr 21 min · State Route 26
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14
Continue on Road 13 Southwest
10.2 mi · 15 min · Road 13 Southwest
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15
Continue on State Route 26 West
6.9 mi · 10 min · State Route 26 West
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16
Continue on I 90 West: Seattle
1.1 km · 1 min
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17
Merge slight left
135.4 mi · 2 hr 30 min
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18
Take the exit slight right toward I 5 North: Vancouver British Columbia, James Street, Madison Street
1.2 km · 1 min
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19
Keep slight left to continue on I 5 North: Vancouver British Columbia, Madison Street, Convention Center
881 ft · 22 sec
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20
Keep slight right to continue on Madison Street, Convention Place
1843 ft · 55 sec
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21
Turn left onto Madison Street
760 ft · 35 sec · Madison Street
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22
Turn left
9 m · 2 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Clarkston and Seattle.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 West
Merge slight left
135 mi · 02h 30m
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.
Chance Light Rain leaving Clarkston and Mostly Sunny near Seattle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Clarkston to Seattle?
The road trip is about 306 miles (492.5 km) and usually takes 05h 16m 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?
Royal City is a useful midpoint, sitting about 153.7 miles from Clarkston and 152.4 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 262.2 miles (422 km), while the road route adds roughly 43.8 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 6:26 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $56.52 one way or $113.03 round trip. Estimated CO2 is about 96 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Clarkston and Mostly Sunny near Seattle.
Stop Ideas Near Royal City
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 Royal City.
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Flight Path Map
This map shows the direct air route between Clarkston and Seattle. Straight-line distance: 262.21 mi (421.99 km).
#1 Clarkston
City in Washington
| Population | 7,500 |
| Coordinates | 46.4162900, -117.0455700 |
| Altitude | 246 |
| Country | United States |
#2 Seattle
The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.
| Population | 769,714 |
| Coordinates | 47.6062100, -122.3320700 |
| Altitude | 56 |
| Country | United States |
End: (-122.332143, 47.606309)
Estimated Travel Time
Distance: 492 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 11m |
| 40 mph (64.37 km/h) | 07h 39m |
| 50 mph (80.47 km/h) | 06h 07m |
| 60 mph (96.56 km/h) | 05h 05m |
| 70 mph (112.65 km/h) | 04h 22m |
| 80 mph (129 km/h) | 03h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $56.52 | $113.03 |
| Mid-grade | $5.57 | $60.12 | $120.25 |
| Premium | $5.77 | $62.33 | $124.65 |
| Diesel | $5.47 | $59.04 | $118.09 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.