How far is Seattle, WA from West Richland, WA?
The driving distance from Seattle, WA to West Richland, WA is about 200.6 miles (322.8 km), with a travel time of about 04h 01m by car.
- The straight-line flight distance is about 166.5 miles (267.9 km).
- For a round trip, plan for roughly 08h 03m 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 01m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Seattle and West Richland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and West Richland.
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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
134.3 mi · 2 hr 29 min · Mount Baker Ridge Tunnel
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11
Take the exit slight right toward WA 26 East: Othello, Pullman
1454 ft · 36 sec
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12
Turn straight
1.2 km · 59 sec
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13
Turn right onto State Route 243
14.3 mi · 21 min · State Route 243
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14
Enter the roundabout and take exit 2 toward State Route 243
29 m · 2 sec · State Route 243
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15
Exit the roundabout onto State Route 243
39.9 mi · 51 min · State Route 243
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16
Enter the roundabout and take exit 2 toward the route
30 m · 2 sec
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17
Exit the roundabout
95 m · 5 sec
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18
Turn straight onto Vantage Highway
4.6 mi · 6 min · Vantage Highway
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19
Turn right onto Twin Bridges Road
2.3 mi · 5 min · Twin Bridges Road
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20
At the end of the road, turn left onto Harrington Road
1.2 km · 1 min · Harrington Road
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21
Continue on Grosscup Boulevard
1.2 km · 2 min · Grosscup Boulevard
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22
Turn right onto Deer Street
547 ft · 24 sec · Deer Street
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23
Arrive at your destination
0 m · 1 sec · Deer Street
Car Route Details
A richer read on the saved driving route between Seattle and West Richland.
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
134 mi · 02h 29m
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.
Sunny leaving Seattle and Sunny near West Richland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to West Richland?
The road trip is about 200.6 miles (322.8 km) and usually takes 04h 01m 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 100.1 miles from Seattle and 100.5 miles from West Richland.
How much longer is the road route than the straight-line distance?
The direct path is about 166.5 miles (267.9 km), while the road route adds roughly 34.1 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 8:56 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.05 one way or $74.10 round trip. Estimated CO2 is about 62.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Seattle and Sunny near West Richland.
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 Richland. Straight-line distance: 166.47 mi (267.91 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 Richland
City in Benton County, Washington
| Population | 15,423 |
| Coordinates | 46.3043000, -119.3614100 |
| Altitude | 126 |
| Country | United States |
End: West Richland (-119.36141, 46.3043)
Estimated Travel Time
Distance: 323 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 41m |
| 40 mph (64.37 km/h) | 05h 00m |
| 50 mph (80.47 km/h) | 04h 00m |
| 60 mph (96.56 km/h) | 03h 20m |
| 70 mph (112.65 km/h) | 02h 51m |
| 80 mph (129 km/h) | 02h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $37.05 | $74.10 |
| Mid-grade | $5.57 | $39.41 | $78.83 |
| Premium | $5.77 | $40.86 | $81.72 |
| Diesel | $5.47 | $38.71 | $77.41 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.