How far is Dayton, WA from Spokane Valley, WA?
The driving distance from Dayton, WA to Spokane Valley, WA is about 384.7 miles (619.1 km), with a travel time of about 06h 11m by car.
- The straight-line flight distance is about 277.4 miles (446.5 km).
- For a round trip, plan for roughly 12h 23m 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 11m.
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 Likely
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Dayton and Spokane Valley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Spokane Valley.
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1
Start on Northeast Cedar Creek Road
2764 ft · 52 sec · Northeast Cedar Creek Road
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2
Turn left onto Northeast Munch Road
2.3 mi · 3 min · Northeast Munch Road
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3
Continue on Northeast Reid Road
2726 ft · 47 sec · Northeast Reid Road
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4
Continue on Northeast 156th Avenue
1.4 km · 1 min · Northeast 156th Avenue
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5
Turn right onto Northeast Fargher Lake Highway
692 ft · 14 sec · Northeast Fargher Lake Highway
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6
Continue on Northeast Lewisville Highway
2.3 mi · 3 min · Northeast Lewisville Highway
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7
Enter the roundabout and take exit 1 toward Northeast Lewisville Highway
24 m · 2 sec · Northeast Lewisville Highway
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8
Exit the roundabout onto Northeast Lewisville Highway
4.4 mi · 6 min · Northeast Lewisville Highway
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9
Continue on Northwest 10th Avenue
1.3 mi · 2 min · Northwest 10th Avenue
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10
Continue on Southwest 10th Avenue
1.5 mi · 2 min · Southwest 10th Avenue
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11
Continue on Northeast 122nd Avenue
1.3 km · 1 min · Northeast 122nd Avenue
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12
Continue on Northeast 117th Avenue
6.9 mi · 12 min · Northeast 117th Avenue
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13
Take the exit slight right toward I 205 South: Salem
1755 ft · 44 sec
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14
Keep slight left
1 km · 57 sec
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15
Merge slight left
7.3 mi · 10 min
-
16
Take the exit slight right toward I 84 East, US 30 East: The Dalles
1.2 km · 1 min
-
17
Continue on Columbia River Highway
158.1 mi · 2 hr 56 min · Columbia River Highway
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18
Continue on Old Oregon Trail Highway
11.4 mi · 12 min · Old Oregon Trail Highway
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19
Take the exit slight right toward I 82 West: Hermiston, Umatilla
1.3 km · 2 min
-
20
Continue on McNary Highway
29.9 mi · 33 min · McNary Highway
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21
Keep slight right to continue on Lewis and Clark Trail Highway
3.3 mi · 5 min · Lewis and Clark Trail Highway
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22
Continue on South US 395
1.1 mi · 2 min · South US 395
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23
Continue on Lewis and Clark Trail
4.9 mi · 7 min · Lewis and Clark Trail
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24
Take the exit slight right toward US 395 north, SR 397 south (Oregon Street): Spokane, Finley
859 ft · 21 sec
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25
Keep slight left to continue on US 395
1416 ft · 35 sec
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26
Keep slight right to continue on US 395 North: Spokane
130.7 mi · 2 hr 21 min
-
27
Merge slight right
11.3 mi · 14 min
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28
Take the exit slight right toward WA 27
2039 ft · 52 sec
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29
Turn left onto North Pines Road
45 m · 11 sec · North Pines Road
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30
Arrive at your destination
0 m · 1 sec · North Pines Road
Car Route Details
A richer read on the saved driving route between Dayton and Spokane Valley.
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.
Light Rain Likely leaving Dayton and Mostly Sunny near Spokane Valley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Spokane Valley?
The road trip is about 384.7 miles (619.1 km) and usually takes 06h 11m 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 191.1 miles from Dayton and 193.6 miles from Spokane Valley.
How much longer is the road route than the straight-line distance?
The direct path is about 277.4 miles (446.5 km), while the road route adds roughly 107.3 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 $71.06 one way or $142.13 round trip. Estimated CO2 is about 120.7 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Dayton and Mostly Sunny near Spokane Valley.
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 Dayton and Spokane Valley. Straight-line distance: 277.46 mi (446.53 km).
#1 Dayton
Town in Washington
| Population | 2,477 |
| Coordinates | 45.9315000, -122.5273200 |
| Altitude | 93 |
| Country | United States |
#2 Spokane Valley
The most populous city in Spokane County, Washington.
| Population | 102,893 |
| Coordinates | 47.6732300, -117.2393700 |
| Altitude | 615 |
| Country | United States |
End: North Pines Road (-117.239528, 47.673234)
Estimated Travel Time
Distance: 619 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 49m |
| 40 mph (64.37 km/h) | 09h 37m |
| 50 mph (80.47 km/h) | 07h 41m |
| 60 mph (96.56 km/h) | 06h 24m |
| 70 mph (112.65 km/h) | 05h 29m |
| 80 mph (129 km/h) | 04h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $71.06 | $142.13 |
| Mid-grade | $5.57 | $75.60 | $151.20 |
| Premium | $5.77 | $78.37 | $156.74 |
| Diesel | $5.47 | $74.24 | $148.48 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.