How far is Asotin, WA from Seattle, WA?

Fastest route

This journey from Asotin, Washington to Seattle, Washington covers a distance of approximately 318 miles (about 511 kilometers). The estimated travel time is 5 hours and 17 minutes. The fastest route at the moment is through WA-26 W and I-90 W, taking into account traffic conditions.

Directions

  1. 🛣️ Head west on 2nd St toward Washington St.
  2. 🚦 Turn right at the 1st cross street onto Washington St.
  3. 🔄 Washington St turns left and becomes WA-129 N/1st St.
  4. 🚗 Continue to follow WA-129 N and turn left onto Critchfield Rd.
  5. 🔄 Slight right to stay on Critchfield Rd.
  6. 🚙 Take WA-26 W to I-90 W in Grant County.
  7. 🚗 Turn right onto Gould City-Mayview Rd, continue onto Ben Day Gulch Rd, and then onto Meadow Creek Rd. Afterward, turn left onto Zaring Cutoff Rd.
  8. 🛣️ Follow I-90 W to 7th Ave in Seattle. Take exit 2C from I-90 W.
  9. 🚧 Use the right 2 lanes to take exit 2C for I-5 N toward Vancouver B.C.
  10. 🔄 Use the 2nd from the right lane to continue toward 7th Ave and keep right, following signs for Madison St / Convention Center N.
  11. 🚗 Merge onto 7th Ave and then turn left onto Madison St.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
310.74 mi
05h 24m
Flight
263.98 mi
424.83 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Asotin.

Flight Distance

Direct air line
263.98 mi
Kilometers
424.83 km
Flight Time
00h 31m

Driving Distance

Road route
310.74 mi
Kilometers
500.09 km
Drive Time
05h 24m

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 24m.

Arrival Snapshot
Arrive in Seattle
Thu, Apr 23, 3:02 AM PDT
Return by in Asotin
Thu, Apr 23, 8:27 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Asotin
2026-04-22T21:38
Arrive Seattle
Thu, Apr 23, 3:02 AM PDT
Route Timing
05h 24m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
11:25 AM to 1:25 PM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:10 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Asotin
9:00 PM PDT
Early departure recommended

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.

Mid-route stop
Royal City
WA

City in Grant County, Washington, United States

From Asotin
156.3 mi
02h 42m
To Seattle
154.4 mi
02h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Wednesday

Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
8 to 15 mph W
Destination
56°F
Wednesday

Light Rain Likely

Starts
Wed, Apr 22 6:00 AM PDT
Wind
7 to 10 mph SSW

Driving Route Map

The map below follows the saved road route between Asotin and Seattle.

Turn-by-Turn Driving Directions

Step-by-step road directions between Asotin and Seattle.

  1. 1

    Start on the route

    51 m · 16 sec

  2. 2

    Turn right onto Washington Street

    158 m · 23 sec · Washington Street

  3. 3

    Turn left onto 1st Street

    1936 ft · 1 min · 1st Street

  4. 4

    Continue on State Route 129

    1416 ft · 41 sec · State Route 129

  5. 5

    Continue on Riverside Drive

    2.3 mi · 3 min · Riverside Drive

  6. 6

    Turn left onto 13th Street

    3.2 mi · 6 min · 13th Street

  7. 7

    Turn left onto Bridge Street

    1.5 mi · 2 min · Bridge Street

  8. 8

    Continue on Inland Empire Highway

    1.4 mi · 2 min · Inland Empire Highway

  9. 9

    Continue on US Highway 12

    25 mi · 31 min · US Highway 12

  10. 10

    Continue on Villard

    2811 ft · 36 sec · Villard

  11. 11

    Continue on Main Street

    13.8 mi · 17 min · Main Street

  12. 12

    Turn right onto Owens Road

    46 m · 9 sec · Owens Road

  13. 13

    Turn left

    8.5 mi · 11 min

  14. 14

    Take the exit slight right

    92 m · 8 sec

  15. 15

    Turn straight onto State Route 261

    29.3 mi · 51 min · State Route 261

  16. 16

    At the end of the road, turn right

    6.4 mi · 11 min

  17. 17

    Turn left onto State Highway 26

    2.9 mi · 3 min · State Highway 26

  18. 18

    Continue on State Route 26

    63.1 mi · 1 hr 21 min · State Route 26

  19. 19

    Continue on Road 13 Southwest

    10.2 mi · 15 min · Road 13 Southwest

  20. 20

    Continue on State Route 26 West

    6.9 mi · 10 min · State Route 26 West

  21. 21

    Continue on I 90 West: Seattle

    1.1 km · 1 min

  22. 22

    Merge slight left

    135.4 mi · 2 hr 30 min

  23. 23

    Take the exit slight right toward I 5 North: Vancouver British Columbia, James Street, Madison Street

    1.2 km · 1 min

  24. 24

    Keep slight left to continue on I 5 North: Vancouver British Columbia, Madison Street, Convention Center

    881 ft · 22 sec

  25. 25

    Keep slight right to continue on Madison Street, Convention Place

    1843 ft · 55 sec

  26. 26

    Turn left onto Madison Street

    760 ft · 35 sec · Madison Street

  27. 27

    Turn left

    9 m · 2 sec

  28. 28

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Asotin and Seattle.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
28 steps
11 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
9 / 100 mi
Decision points by distance
Main Roads
I 90 West
136 mi · 44%
State Route 26
63.1 mi · 20%
State Route 261
29.3 mi · 9%
US Highway 12
25 mi · 8%
Main Street
13.8 mi · 4%
Road 13 Southwest
10.2 mi · 3%
Longest Stretch

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.

Trip Read

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.

Drive Time
05h 24m
Long day trip
Same-Day Return
10h 50m
Round-trip wheel time
Road vs Air
+46.7 mi
264 mi direct line
Halfway Stop
Royal City
02h 42m from Asotin
Leave By
6:10 AM PDT
Early departure recommended
Weather Watch

Rain leaving Asotin 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 Asotin to Seattle?

The road trip is about 310.7 miles (500.1 km) and usually takes 05h 24m 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 156.3 miles from Asotin and 154.4 miles from Seattle.

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 46.7 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 6:10 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $57.41 one way or $114.81 round trip. Estimated CO2 is about 97.5 kg one way.

What should you check before leaving?

Before you leave, expect Rain around Asotin and Light Rain Likely near Seattle.

Stop Ideas Near Royal City

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Royal City, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Royal City.

BUS

Moses Lake, Washington

37 mi away
1819 East Kittleson Road
BUS

Quincy, Washington

41 mi away
102 B St NE
BUS

Ephrata, WA

45 mi away
1352 Basin Street SW
RAIL

Ephrata

47 mi away
24 Alder St NW

Flight Path Map

This map shows the direct air route between Asotin and Seattle. Straight-line distance: 263.98 mi (424.83 km).

Asotin

#1 Asotin

Town in Washington state

Population1,292
Coordinates46.3393300, -117.0482100
Altitude244
CountryUnited States
Seattle

#2 Seattle

The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.

Population769,714
Coordinates47.6062100, -122.3320700
Altitude56
CountryUnited States
Start: (-117.048244, 46.339158)
End: (-122.332143, 47.606309)

Estimated Travel Time

Distance: 500 km by road

SpeedTime
30 mph (48.3 km/h)10h 21m
40 mph (64.37 km/h)07h 46m
50 mph (80.47 km/h)06h 12m
60 mph (96.56 km/h)05h 10m
70 mph (112.65 km/h)04h 26m
80 mph (129 km/h)03h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.97 gal
41.51 L · about $57.41
Round trip
$114.81
21.94 gal · 83.02 L
Estimated CO2
97.5 kg one way
Round trip: 195 kg / 430 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $57.41 $114.81
Mid-grade $5.57 $61.07 $122.14
Premium $5.77 $63.31 $126.62
Diesel $5.47 $59.97 $119.95

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

There is no time difference between Asotin and Seattle. The current time is 21:38:08.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.