How far is Seattle, WA from Asotin, WA?
The driving distance from Seattle, WA to Asotin, WA is about 312.5 miles (502.9 km), with a travel time of about 06h 40m by car.
- The straight-line flight distance is about 264 miles (424.8 km).
- For a round trip, plan for roughly 13h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 40m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Seattle and Asotin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and Asotin.
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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
-
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
82.8 mi · 1 hr 49 min
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13
Turn right onto North Main Street
6.4 mi · 11 min · North Main Street
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14
Turn left
29.3 mi · 51 min
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15
At the end of the road, turn left
8.5 mi · 11 min
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16
Take the exit slight right
41.8 mi · 52 min
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17
Turn right onto 15th Street
1.3 mi · 2 min · 15th Street
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18
Turn left onto Fleshman Way
1094 ft · 21 sec · Fleshman Way
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19
Turn slight right
761 ft · 28 sec
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20
Keep slight right
70 m · 8 sec
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21
Turn slight right onto 13th Street
1.8 mi · 3 min · 13th Street
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22
At the end of the road, turn right onto Riverside Drive
2.3 mi · 3 min · Riverside Drive
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23
Continue on State Route 129
1416 ft · 41 sec · State Route 129
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24
Continue on 1st Street
1772 ft · 1 min · 1st Street
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25
Turn right onto Washington Street
630 ft · 30 sec · Washington Street
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26
Turn left
51 m · 12 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Seattle and Asotin.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Light Rain Likely leaving Seattle and Rain near Asotin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to Asotin?
The road trip is about 312.5 miles (502.9 km) and usually takes 06h 40m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Royal City is a useful midpoint, sitting about 155.9 miles from Seattle and 156.6 miles from Asotin.
How much longer is the road route than the straight-line distance?
The direct path is about 264 miles (424.8 km), while the road route adds roughly 48.5 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 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $57.72 one way or $115.44 round trip. Estimated CO2 is about 98 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Seattle and Rain near Asotin.
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.
Moses Lake, Washington
Quincy, Washington
Ephrata, WA
Ephrata
Flight Path Map
This map shows the direct air route between Seattle and Asotin. Straight-line distance: 263.98 mi (424.83 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 Asotin
Town in Washington state
| Population | 1,292 |
| Coordinates | 46.3393300, -117.0482100 |
| Altitude | 244 |
| Country | United States |
End: Asotin (-117.04821, 46.33933)
Estimated Travel Time
Distance: 503 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 24m |
| 40 mph (64.37 km/h) | 07h 48m |
| 50 mph (80.47 km/h) | 06h 14m |
| 60 mph (96.56 km/h) | 05h 12m |
| 70 mph (112.65 km/h) | 04h 27m |
| 80 mph (129 km/h) | 03h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $57.72 | $115.44 |
| Mid-grade | $5.57 | $61.40 | $122.81 |
| Premium | $5.77 | $63.65 | $127.31 |
| Diesel | $5.47 | $60.30 | $120.60 |
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.