How far is Dayton, WA from Spokane Valley, WA?
The driving distance from Dayton, WA to Spokane Valley, WA is about 133.9 miles (215.5 km), with a travel time of about 02h 19m by car.
- The straight-line flight distance is about 99.4 miles (160 km).
- For a round trip, plan for roughly 04h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 19m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
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.
-
1
Start on Patit Road
26 m · 10 sec · Patit Road
-
2
Turn right onto East Main Street
23.2 mi · 29 min · East Main Street
-
3
Continue straight
27 mi · 36 min
-
4
Turn right
16.6 mi · 22 min
-
5
At the end of the road, turn left
56.4 mi · 1 hr 12 min
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6
Keep slight right to continue on I 90 East: Spokane, City Center
1337 ft · 23 sec
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7
Merge slight left
10 mi · 12 min
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8
Take the exit slight right toward WA 27
2039 ft · 52 sec
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9
Turn left onto North Pines Road
45 m · 11 sec · North Pines Road
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10
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.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
At the end of the road, turn left
56.4 mi · 01h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Dayton and 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 133.9 miles (215.5 km) and usually takes 02h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Colfax is a useful midpoint, sitting about 66.8 miles from Dayton and 67.1 miles from Spokane Valley.
How much longer is the road route than the straight-line distance?
The direct path is about 99.4 miles (160 km), while the road route adds roughly 34.5 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 1:52 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.71 one way or $51.42 round trip. Estimated CO2 is about 42 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dayton and Sunny near Spokane Valley.
Stop Ideas Near Colfax
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 Colfax.
Colfax, Washington
Pullman, Washington
Moscow, Idaho
Lewiston, Idaho
Flight Path Map
This map shows the direct air route between Dayton and Spokane Valley. Straight-line distance: 99.43 mi (160.02 km).
#1 Dayton
Situated in southeastern Washington at an elevation of 1660 feet, this Columbia County seat lies in the foothills of the Blue Mountains along the Touchet River.
| Population | 0 |
| Coordinates | 46.3237500, -117.9724400 |
| Altitude | 506 |
| 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: 216 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 27m |
| 40 mph (64.37 km/h) | 03h 20m |
| 50 mph (80.47 km/h) | 02h 40m |
| 60 mph (96.56 km/h) | 02h 13m |
| 70 mph (112.65 km/h) | 01h 54m |
| 80 mph (129 km/h) | 01h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $25.71 | $51.42 |
| Mid-grade | $5.72 | $27.05 | $54.10 |
| Premium | $5.98 | $28.27 | $56.54 |
| Diesel | $7.29 | $34.49 | $68.98 |
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 · Oct 15, 2026