How far is Dallesport, WA from Seattle, WA?
The driving distance from Dallesport, WA to Seattle, WA is about 241.6 miles (388.8 km), with a travel time of about 04h 02m by car.
- The straight-line flight distance is about 147.9 miles (238 km).
- For a round trip, plan for roughly 08h 04m 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 04h 02m.
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.
Chance Light Rain
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Dallesport and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dallesport and Seattle.
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1
Start on 6th Avenue
26 m · 6 sec · 6th Avenue
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2
Turn right onto Central Boulevard
1656 ft · 1 min · Central Boulevard
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3
Turn straight onto Dallesport Road
1.9 mi · 5 min · Dallesport Road
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4
Turn right onto Lewis and Clark Trail Highway
18.5 mi · 23 min · Lewis and Clark Trail Highway
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5
Take the ramp slight left
2032 ft · 56 sec
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6
Continue straight
58.3 mi · 1 hr 8 min
-
7
Continue on South Elm Street
1.1 km · 1 min · South Elm Street
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8
Continue on Buena Way
1.2 km · 1 min · Buena Way
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9
Continue on Evergreen Highway
1.8 mi · 3 min · Evergreen Highway
-
10
Continue on Buena Road
683 ft · 12 sec · Buena Road
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11
Take the ramp slight right
1674 ft · 41 sec
-
12
Merge slight left
18.2 mi · 21 min
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13
Continue straight
31 mi · 34 min
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14
Keep slight left to continue on I 90 West
107.5 mi · 2 hr 2 min
-
15
Continue on Mount Baker Ridge Tunnel
1.3 mi · 2 min · Mount Baker Ridge Tunnel
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16
Take the exit slight right toward I 5 North: Vancouver British Columbia, James Street, Madison Street
1.2 km · 1 min
-
17
Keep slight left to continue on I 5 North: Vancouver British Columbia, Madison Street, Convention Center
881 ft · 22 sec
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18
Keep slight right to continue on Madison Street, Convention Place
1843 ft · 55 sec
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19
Turn left onto Madison Street
760 ft · 35 sec · Madison Street
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20
Turn left
9 m · 2 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Dallesport and Seattle.
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.
Chance Light Rain leaving Dallesport and Light Rain Likely near Seattle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dallesport to Seattle?
The road trip is about 241.6 miles (388.8 km) and usually takes 04h 02m 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?
Kittitas is a useful midpoint, sitting about 121.1 miles from Dallesport and 120.5 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 147.9 miles (238 km), while the road route adds roughly 93.7 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 8:56 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $44.59 one way or $89.17 round trip. Estimated CO2 is about 75.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Dallesport and Light Rain Likely near Seattle.
Stop Ideas Near Kittitas
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 Kittitas.
Columbia Station
Quincy, Washington
Leavenworth, Washington
Leavenworth
Flight Path Map
This map shows the direct air route between Dallesport and Seattle. Straight-line distance: 147.9 mi (238.02 km).
#1 Dallesport
Census designated place
| Population | 1,202 |
| Coordinates | 45.6173400, -121.1795200 |
| Altitude | 65 |
| 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: 389 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 02m |
| 40 mph (64.37 km/h) | 06h 02m |
| 50 mph (80.47 km/h) | 04h 49m |
| 60 mph (96.56 km/h) | 04h 01m |
| 70 mph (112.65 km/h) | 03h 27m |
| 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 | $44.59 | $89.17 |
| Mid-grade | $5.57 | $47.43 | $94.86 |
| Premium | $5.77 | $49.17 | $98.34 |
| Diesel | $5.47 | $46.58 | $93.16 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.