How far is Seattle, WA from West Pasco, WA?
The driving distance from Seattle, WA to West Pasco, WA is about 223.5 miles (359.7 km), with a travel time of about 04h 12m by car.
- The straight-line flight distance is about 175.8 miles (283 km).
- For a round trip, plan for roughly 08h 24m 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 12m.
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.
Light Rain Likely
Rain Likely
Driving Route Map
The map below follows the saved road route between Seattle and West Pasco.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and West Pasco.
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1
Start on the route
9 m · 8 sec
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2
Turn left onto Madison Street
62 m · 11 sec · Madison Street
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3
Turn right onto 4th Avenue
94 m · 15 sec · 4th Avenue
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4
Turn right onto Spring Street
647 ft · 26 sec · Spring Street
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5
Take the ramp right toward I 5 South: Portland
1151 ft · 28 sec
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6
Continue straight
3180 ft · 1 min
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7
Keep slight left to continue on I 90 East, I 5 South: Bellevue, Portland
45 m · 2 sec
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8
Keep slight left to continue on I 90 East: Bellevue, Spokane
2257 ft · 55 sec
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9
Merge slight left
1.6 km · 1 min
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10
Keep slight left to continue on Mount Baker Ridge Tunnel
107 mi · 2 hr · Mount Baker Ridge Tunnel
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11
Take the exit slight right toward I 82 East, US 97 South: Yakima
37.8 mi · 43 min
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12
Keep slight left
64.1 mi · 1 hr 9 min
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13
Take the exit slight right toward I‑182 east, US 12 east: Richland, Pasco
10 mi · 11 min
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14
Take the exit slight right toward Road 68
1689 ft · 41 sec
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15
Keep slight right to continue on Road 68
759 ft · 19 sec
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16
Turn straight onto Road 68
1 mi · 2 min · Road 68
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17
Turn right onto West Wernett Road
1336 ft · 51 sec · West Wernett Road
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18
Turn left onto Road 72
1312 ft · 50 sec · Road 72
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19
Turn left onto Pearl Street
668 ft · 49 sec · Pearl Street
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20
Arrive at your destination
0 m · 1 sec · Pearl Street
Car Route Details
A richer read on the saved driving route between Seattle and West Pasco.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Mount Baker Ridge Tunnel
Keep slight left to continue on Mount Baker Ridge Tunnel
107 mi · 02h 00m
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.
Light Rain Likely leaving Seattle and Rain Likely near West Pasco.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to West Pasco?
The road trip is about 223.5 miles (359.7 km) and usually takes 04h 12m 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 111.5 miles from Seattle and 112 miles from West Pasco.
How much longer is the road route than the straight-line distance?
The direct path is about 175.8 miles (283 km), while the road route adds roughly 47.7 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 8:36 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $41.29 one way or $82.58 round trip. Estimated CO2 is about 70.1 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Seattle and Rain Likely near West Pasco.
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 Seattle and West Pasco. Straight-line distance: 175.83 mi (282.97 km).
#1 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 |
#2 West Pasco
Census designated place in Franklin County, Washington
| Population | 3,739 |
| Coordinates | 46.2454100, -119.1827900 |
| Altitude | 110 |
| Country | United States |
End: West Pasco (-119.18279, 46.24541)
Estimated Travel Time
Distance: 360 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 26m |
| 40 mph (64.37 km/h) | 05h 35m |
| 50 mph (80.47 km/h) | 04h 28m |
| 60 mph (96.56 km/h) | 03h 43m |
| 70 mph (112.65 km/h) | 03h 11m |
| 80 mph (129 km/h) | 02h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $41.29 | $82.58 |
| Mid-grade | $5.57 | $43.92 | $87.85 |
| Premium | $5.77 | $45.53 | $91.07 |
| Diesel | $5.47 | $43.13 | $86.27 |
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.