How far is Prosser, WA from Spokane Valley, WA?
The driving distance from Prosser, WA to Spokane Valley, WA is about 178.5 miles (287.3 km), with a travel time of about 02h 47m by car.
- The straight-line flight distance is about 156.5 miles (251.9 km).
- For a round trip, plan for roughly 05h 34m 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 47m.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Likely
Rain
Driving Route Map
The map below follows the saved road route between Prosser and Spokane Valley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prosser and Spokane Valley.
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1
Start on Bennett Avenue
22 m · 9 sec · Bennett Avenue
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2
Turn left onto 7th Street
103 m · 15 sec · 7th Street
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3
Turn left onto Meade Avenue
2599 ft · 1 min · Meade Avenue
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4
At the end of the road, turn right onto Wine Country Road
1.3 km · 2 min · Wine Country Road
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5
Take the ramp right
2510 ft · 31 sec
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6
Merge slight right
18.9 mi · 20 min
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7
Take the exit slight right toward I‑182 east, US 12 east: Richland, Pasco
14.9 mi · 16 min
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8
Take the exit slight right toward US 395 north, SR 397 south (Oregon Street): Spokane, Finley
859 ft · 21 sec
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9
Keep slight left to continue on US 395
1416 ft · 35 sec
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10
Keep slight right to continue on US 395 North: Spokane
130.7 mi · 2 hr 21 min
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11
Merge slight right
11.3 mi · 14 min
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12
Take the exit slight right toward WA 27
2039 ft · 52 sec
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13
Turn left onto North Pines Road
45 m · 11 sec · North Pines Road
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14
Arrive at your destination
0 m · 1 sec · North Pines Road
Car Route Details
A richer read on the saved driving route between Prosser and Spokane Valley.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 395 North
Keep slight right to continue on US 395 North: Spokane
131 mi · 02h 21m
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.
Rain Likely leaving Prosser and Rain near Spokane Valley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Prosser to Spokane Valley?
The road trip is about 178.5 miles (287.3 km) and usually takes 02h 47m 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?
Lind is a useful midpoint, sitting about 89.2 miles from Prosser and 89.4 miles from Spokane Valley.
How much longer is the road route than the straight-line distance?
The direct path is about 156.5 miles (251.9 km), while the road route adds roughly 22 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 12:56 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.97 one way or $65.94 round trip. Estimated CO2 is about 56 kg one way.
What should you check before leaving?
Before you leave, expect Rain Likely around Prosser and Rain near Spokane Valley.
Stop Ideas Near Lind
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 Lind.
Ritzville, Washington
Moses Lake, Washington
Ephrata
Ephrata, WA
Flight Path Map
This map shows the direct air route between Prosser and Spokane Valley. Straight-line distance: 156.53 mi (251.91 km).
#1 Prosser
County seat of Benton County, Washington
| Population | 6,398 |
| Coordinates | 46.2068000, -119.7689200 |
| Altitude | 203 |
| 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: 287 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 56m |
| 40 mph (64.37 km/h) | 04h 27m |
| 50 mph (80.47 km/h) | 03h 34m |
| 60 mph (96.56 km/h) | 02h 58m |
| 70 mph (112.65 km/h) | 02h 32m |
| 80 mph (129 km/h) | 02h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $32.97 | $65.94 |
| Mid-grade | $5.57 | $35.07 | $70.14 |
| Premium | $5.77 | $36.36 | $72.71 |
| Diesel | $5.47 | $34.44 | $68.88 |
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.