How far is Spokane, WA from Sammamish, WA?
The driving distance from Spokane, WA to Sammamish, WA is about 272.1 miles (437.9 km), with a travel time of about 05h 06m by car.
- The straight-line flight distance is about 216.5 miles (348.4 km).
- For a round trip, plan for roughly 10h 12m 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 05h 06m.
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 Washington, USA
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 Spokane and Sammamish.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spokane and Sammamish.
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1
Start on South Gorge Trail
48 m · 21 sec · South Gorge Trail
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2
Turn right
8 m · 9 sec
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3
Turn left onto West Main Avenue
141 m · 20 sec · West Main Avenue
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4
Turn right onto North Monroe Street
2139 ft · 1 min · North Monroe Street
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5
Turn slight right onto West Freeway Avenue
643 ft · 18 sec · West Freeway Avenue
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6
Keep slight left to continue on West Freeway Avenue
57 m · 5 sec · West Freeway Avenue
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7
Take the ramp straight toward I 90 West: Seattle
1245 ft · 30 sec
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8
Merge slight left
2 mi · 3 min
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9
Keep slight left
56.6 mi · 1 hr 1 min
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10
Keep slight left
203.9 mi · 3 hr 41 min
-
11
Take the exit slight right toward Front Street, East Lake Sammamish Parkway Southeast
1926 ft · 47 sec
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12
Turn right onto East Lake Sammamish Parkway Southeast
2 mi · 4 min · East Lake Sammamish Parkway Southeast
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13
Enter the roundabout and take exit 2 toward East Lake Sammamish Parkway Southeast
38 m · 7 sec · East Lake Sammamish Parkway Southeast
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14
Exit the roundabout onto East Lake Sammamish Parkway Southeast
3.8 mi · 8 min · East Lake Sammamish Parkway Southeast
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15
Continue on East Lake Sammamish Parkway Northeast
1.5 km · 2 min · East Lake Sammamish Parkway Northeast
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16
At the end of the road, turn left onto East Lake Sammamish Parkway Northeast
1.5 mi · 3 min · East Lake Sammamish Parkway Northeast
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17
Arrive at your destination
0 m · 1 sec · East Lake Sammamish Parkway Northeast
Car Route Details
A richer read on the saved driving route between Spokane and Sammamish.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 West
Keep slight left
204 mi · 03h 41m
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.
Rain leaving Spokane and Light Rain Likely near Sammamish.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spokane to Sammamish?
The road trip is about 272.1 miles (437.9 km) and usually takes 05h 06m 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 135.8 miles from Spokane and 136.3 miles from Sammamish.
How much longer is the road route than the straight-line distance?
The direct path is about 216.5 miles (348.4 km), while the road route adds roughly 55.6 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 6:48 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $50.24 one way or $100.47 round trip. Estimated CO2 is about 85.3 kg one way.
What should you check before leaving?
Before you leave, expect Rain around Spokane and Light Rain Likely near Sammamish.
Stop Ideas Near George
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 George.
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Ephrata
Moses Lake, Washington
Flight Path Map
This map shows the direct air route between Spokane and Sammamish. Straight-line distance: 216.47 mi (348.37 km).
#1 Spokane
The second most populous city in Washington.
| Population | 222,050 |
| Coordinates | 47.6596600, -117.4290800 |
| Altitude | 571 |
| Country | United States |
#2 Sammamish
Town
| Population | 65,960 |
| Coordinates | 47.6417700, -122.0804000 |
| Altitude | 18 |
| Country | United States |
End: Sammamish (-122.0804, 47.64177)
Estimated Travel Time
Distance: 438 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 03m |
| 40 mph (64.37 km/h) | 06h 48m |
| 50 mph (80.47 km/h) | 05h 26m |
| 60 mph (96.56 km/h) | 04h 32m |
| 70 mph (112.65 km/h) | 03h 53m |
| 80 mph (129 km/h) | 03h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $50.24 | $100.47 |
| Mid-grade | $5.57 | $53.44 | $106.89 |
| Premium | $5.77 | $55.40 | $110.80 |
| Diesel | $5.47 | $52.48 | $104.97 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.