How far is Spokane, WA from Walnut Grove, WA?
The driving distance from Spokane, WA to Walnut Grove, WA is about 355.6 miles (572.3 km), with a travel time of about 06h 42m by car.
- The straight-line flight distance is about 281 miles (452.3 km).
- For a round trip, plan for roughly 13h 24m 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 42m.
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.
County seat of Benton County, Washington
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain
Driving Route Map
The map below follows the saved road route between Spokane and Walnut Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spokane and Walnut Grove.
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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
-
10
Keep slight right to continue on Thomas S. Foley Memorial Highway
73.7 mi · 1 hr 19 min · Thomas S. Foley Memorial Highway
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11
Take the exit slight right toward I 182 West, US 395 South: Richland, Pendleton
3076 ft · 1 min
-
12
Merge slight left onto Lewis and Clark Trail
1.9 mi · 2 min · Lewis and Clark Trail
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13
Keep slight right to continue on Lewis and Clark Trail
3.8 mi · 5 min · Lewis and Clark Trail
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14
Continue on North US 395
1.1 mi · 2 min · North US 395
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15
Continue on Lewis and Clark Trail Highway
33.4 mi · 38 min · Lewis and Clark Trail Highway
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16
Keep slight right to continue on I 84 West: Portland
3223 ft · 1 min
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17
Merge slight left onto Old Oregon Trail Highway
11.3 mi · 12 min · Old Oregon Trail Highway
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18
Continue on Columbia River Highway
158.3 mi · 2 hr 56 min · Columbia River Highway
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19
Take the exit slight left toward I 205: Salem, Seattle, Portland Airport
1891 ft · 29 sec
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20
Keep slight right to continue on I 205 North: Seattle, Portland Airport
1811 ft · 28 sec
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21
Merge slight left
7.6 mi · 10 min
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22
Take the exit slight right toward WA 500 West, WA 500 East: Northeast 112th Avenue
76 m · 4 sec
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23
Continue on WA 500 West, WA 500 East
903 ft · 15 sec
-
24
Keep slight left to continue on WA 500 West
1727 ft · 30 sec
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25
Keep slight right to continue on WA 500 West: City Center
1359 ft · 39 sec
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26
Merge slight left
1 km · 52 sec
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27
Take the exit slight right toward Northeast Thurston Way, Vancouver Mall
1272 ft · 31 sec
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28
Keep slight right
53 m · 6 sec
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29
Turn straight onto Northeast Thurston Way
1361 ft · 56 sec · Northeast Thurston Way
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30
Turn left onto Northeast Vancouver Mall Drive
2732 ft · 1 min · Northeast Vancouver Mall Drive
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31
Turn right onto Northeast 72nd Avenue
1.1 km · 2 min · Northeast 72nd Avenue
-
32
Turn right onto Northeast 63rd Street
31 m · 2 sec · Northeast 63rd Street
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33
Arrive at your destination
0 m · 1 sec · Northeast 63rd Street
Car Route Details
A richer read on the saved driving route between Spokane and Walnut Grove.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Columbia River Highway
Continue on Columbia River Highway
158 mi · 02h 56m
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.
Rain leaving Spokane and Light Rain near Walnut Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spokane to Walnut Grove?
The road trip is about 355.6 miles (572.3 km) and usually takes 06h 42m 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?
Prosser is a useful midpoint, sitting about 177.5 miles from Spokane and 178.1 miles from Walnut Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 281 miles (452.3 km), while the road route adds roughly 74.6 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 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 $65.67 one way or $131.35 round trip. Estimated CO2 is about 111.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain around Spokane and Light Rain near Walnut Grove.
Stop Ideas Near Prosser
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 Prosser.
Pasco Intermodal Train Station
Pendleton, Oregon
Moses Lake, Washington
Wishram
Flight Path Map
This map shows the direct air route between Spokane and Walnut Grove. Straight-line distance: 281.05 mi (452.3 km).
#1 Spokane
The second most populous city in Washington.
| Population | 222,050 |
| Coordinates | 47.6596600, -117.4290800 |
| Altitude | 571 |
| Country | United States |
#2 Walnut Grove
City in Minnesota, United States
| Population | 9,790 |
| Coordinates | 45.6678900, -122.5989900 |
| Altitude | 83 |
| Country | United States |
End: Walnut Grove (-122.59899, 45.66789)
Estimated Travel Time
Distance: 572 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 50m |
| 40 mph (64.37 km/h) | 08h 53m |
| 50 mph (80.47 km/h) | 07h 06m |
| 60 mph (96.56 km/h) | 05h 55m |
| 70 mph (112.65 km/h) | 05h 04m |
| 80 mph (129 km/h) | 04h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $65.67 | $131.35 |
| Mid-grade | $5.57 | $69.87 | $139.73 |
| Premium | $5.77 | $72.43 | $144.85 |
| Diesel | $5.47 | $68.61 | $137.22 |
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.