How far is West Lake Sammamish, WA from Spokane, WA?

The driving distance from West Lake Sammamish, WA to Spokane, WA is about 267.7 miles (430.9 km), with a travel time of about 04h 14m by car.

  • The straight-line flight distance is about 217.7 miles (350.3 km).
  • For a round trip, plan for roughly 08h 28m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
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
267.76 mi
04h 14m
Flight
217.64 mi
350.25 km direct

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

Learn Distance

Choose another destination from West Lake Sammamish.

Flight Distance

Direct air line
217.64 mi
Kilometers
350.25 km
Flight Time
00h 26m

Driving Distance

Road route
267.76 mi
Kilometers
430.92 km
Drive Time
04h 14m

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 14m.

Arrival Snapshot
Arrive in Spokane
Mon, Jun 1, 2:34 PM PDT
Return by in West Lake Sammamish
Mon, Jun 1, 6:49 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave West Lake Sammamish
2026-06-01T10:20
Arrive Spokane
Mon, Jun 1, 2:34 PM PDT
Route Timing
04h 14m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
10:14 AM to 12:14 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
8:32 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in West Lake Sammamish
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
George
WA

City in Washington, USA

From West Lake Sammamish
133.8 mi
02h 07m
To Spokane
134 mi
02h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Monday

Mostly Sunny

Starts
Mon, Jun 1 6:00 AM PDT
Wind
3 to 9 mph NNE
Destination
72°F
Monday

Mostly Cloudy

Starts
Mon, Jun 1 6:00 AM PDT
Wind
1 to 6 mph NE

Driving Route Map

The map below follows the saved road route between West Lake Sammamish and Spokane.

Turn-by-Turn Driving Directions

Step-by-step road directions between West Lake Sammamish and Spokane.

  1. 1

    Start on Southeast 40th Place

    85 m · 14 sec · Southeast 40th Place

  2. 2

    Turn right

    138 m · 36 sec

  3. 3

    Turn left onto West Lake Sammamish Parkway Southeast

    1394 ft · 43 sec · West Lake Sammamish Parkway Southeast

  4. 4

    Enter the roundabout and take exit 1 toward West Lake Sammamish Parkway Southeast

    28 m · 3 sec · West Lake Sammamish Parkway Southeast

  5. 5

    Exit the roundabout onto West Lake Sammamish Parkway Southeast

    73 m · 8 sec · West Lake Sammamish Parkway Southeast

  6. 6

    Continue on West Lake Sammamish Parkway Southeast

    1477 ft · 47 sec · West Lake Sammamish Parkway Southeast

  7. 7

    Turn left onto Southeast Newport Way

    121 m · 15 sec · Southeast Newport Way

  8. 8

    Take the ramp left toward I 90 East: Issaquah, Spokane

    1815 ft · 44 sec

  9. 9

    Merge slight left

    263.7 mi · 4 hr 46 min

  10. 10

    Merge slight right

    1.8 mi · 2 min

  11. 11

    Take the exit slight right toward Maple Street, Lincoln Street, Walnut Street

    1203 ft · 31 sec

  12. 12

    Continue on West 5th Avenue

    117 m · 13 sec · West 5th Avenue

  13. 13

    Turn straight onto West Freeway Avenue

    1151 ft · 33 sec · West Freeway Avenue

  14. 14

    Continue on West 4th Avenue

    1027 ft · 31 sec · West 4th Avenue

  15. 15

    Continue on West 4th Avenue

    51 m · 5 sec · West 4th Avenue

  16. 16

    Continue on South Lincoln Street

    2275 ft · 1 min · South Lincoln Street

  17. 17

    Turn left onto West Main Avenue

    846 ft · 35 sec · West Main Avenue

  18. 18

    Turn right

    8 m · 9 sec

  19. 19

    Turn left onto South Gorge Trail

    48 m · 17 sec · South Gorge Trail

  20. 20

    Arrive at your destination

    0 m · 1 sec · South Gorge Trail

Car Route Details

A richer read on the saved driving route between West Lake Sammamish and Spokane.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
20 steps
9 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
7.5 / 100 mi
Decision points by distance
Main Roads
I 90 East
266 mi · 99%
West Lake Sammamish Parkway Southeast
0.61 mi
South Lincoln Street
0.43 mi
Maple Street
0.23 mi
West 4th Avenue
0.23 mi
West Freeway Avenue
0.22 mi
Longest Stretch

I 90 East

Merge slight left

264 mi · 04h 46m

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
04h 14m
Long day trip
Same-Day Return
08h 28m
Round-trip wheel time
Road vs Air
+50 mi
217.7 mi direct line
Halfway Stop
George
02h 07m from West Lake Sammamish
Leave By
8:32 AM PDT
Early departure recommended
Weather Watch

Mostly Sunny leaving West Lake Sammamish and Mostly Cloudy near Spokane.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from West Lake Sammamish to Spokane?

The road trip is about 267.7 miles (430.9 km) and usually takes 04h 14m 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?

George is a useful midpoint, sitting about 133.8 miles from West Lake Sammamish and 134 miles from Spokane.

How much longer is the road route than the straight-line distance?

The direct path is about 217.7 miles (350.3 km), while the road route adds roughly 50 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 8:32 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $49.45 one way or $98.90 round trip. Estimated CO2 is about 84 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around West Lake Sammamish and Mostly Cloudy near Spokane.

Stop Ideas Near George

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

Mid-route Guidance
Local place coverage is thin around George, 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 George.

BUS

Quincy, Washington

18 mi away
102 B St NE
BUS

Ephrata, WA

34 mi away
1352 Basin Street SW
RAIL

Ephrata

36 mi away
24 Alder St NW
BUS

Moses Lake, Washington

46 mi away
1819 East Kittleson Road

Flight Path Map

This map shows the direct air route between West Lake Sammamish and Spokane. Straight-line distance: 217.64 mi (350.25 km).

West Lake Sammamish

#1 West Lake Sammamish

Census designated place

Population33,929
Coordinates47.5776000, -122.1012300
Altitude9
CountryUnited States
Spokane

#2 Spokane

The second most populous city in Washington.

Population222,050
Coordinates47.6596600, -117.4290800
Altitude571
CountryUnited States
Start: (-122.10314, 47.572383)
End: West Main Avenue (-117.429081, 47.659029)

Estimated Travel Time

Distance: 431 km by road

SpeedTime
30 mph (48.3 km/h)08h 55m
40 mph (64.37 km/h)06h 41m
50 mph (80.47 km/h)05h 21m
60 mph (96.56 km/h)04h 27m
70 mph (112.65 km/h)03h 49m
80 mph (129 km/h)03h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.45 gal
35.77 L · about $49.45
Round trip
$98.90
18.9 gal · 71.54 L
Estimated CO2
84 kg one way
Round trip: 168 kg / 370 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.23 $49.45 $98.90
Mid-grade $5.57 $52.61 $105.22
Premium $5.77 $54.54 $109.07
Diesel $5.47 $51.66 $103.33

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 · Jun 01, 2026

There is no time difference between West Lake Sammamish and Spokane. The current time is 10:20:41.

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.