How far is Spokane, WA from Cosmopolis, WA?
The driving distance from Spokane, WA to Cosmopolis, WA is about 370 miles (595.4 km), with a travel time of about 07h 10m by car.
- The straight-line flight distance is about 301.1 miles (484.6 km).
- For a round trip, plan for roughly 14h 21m 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 07h 10m.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Spokane and Cosmopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spokane and Cosmopolis.
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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 left
195.4 mi · 3 hr 32 min
-
11
Take the exit slight right toward WA 18 West: Auburn
1248 ft · 30 sec
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12
Keep slight left to continue on SR 18 west, Snoqualmie Parkway: Auburn, Tacoma
137 m · 13 sec
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13
Merge slight right onto Snoqualmie Parkway
1780 ft · 25 sec · Snoqualmie Parkway
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14
Continue on State Route 18
26.7 mi · 34 min · State Route 18
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15
Take the exit slight right toward I 5: Seattle, Tacoma
2980 ft · 1 min
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16
Keep slight left to continue on I 5 South, WA 161: Enchanted Parkway South, Tacoma
3094 ft · 1 min
-
17
Keep slight left to continue on I 5 South: Tacoma
1297 ft · 32 sec
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18
Merge slight left
7.2 mi · 9 min
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19
Keep slight right
29.5 mi · 37 min
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20
Take the exit slight right toward US 101: Aberdeen, Port Angeles
2448 ft · 35 sec
-
21
Continue straight
5.5 mi · 7 min
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22
Keep slight left
21 mi · 26 min
-
23
Continue on Olympic Highway
10 mi · 13 min · Olympic Highway
-
24
Take the exit slight right toward WA 107: Montesano, Raymond
1371 ft · 42 sec
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25
Turn left onto South Main Street
1.6 km · 2 min · South Main Street
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26
Continue on State Route 107
7 mi · 12 min · State Route 107
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27
Take the ramp right
57 m · 5 sec
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28
Merge slight left
4 mi · 7 min
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29
Turn left onto E Street
657 ft · 25 sec · E Street
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30
Turn right onto 3rd Street
84 m · 10 sec · 3rd Street
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31
Arrive at your destination
0 m · 1 sec · 3rd Street
Car Route Details
A richer read on the saved driving route between Spokane and Cosmopolis.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 West
Keep slight left
195 mi · 03h 32m
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.
Chance Light Rain leaving Spokane and Mostly Sunny near Cosmopolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spokane to Cosmopolis?
The road trip is about 370 miles (595.4 km) and usually takes 07h 10m 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?
South Cle Elum is a useful midpoint, sitting about 184.6 miles from Spokane and 185.4 miles from Cosmopolis.
How much longer is the road route than the straight-line distance?
The direct path is about 301.1 miles (484.6 km), while the road route adds roughly 68.9 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 $68.34 one way or $136.69 round trip. Estimated CO2 is about 116.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Spokane and Mostly Sunny near Cosmopolis.
Stop Ideas Near South Cle Elum
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 South Cle Elum.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Spokane and Cosmopolis. Straight-line distance: 301.12 mi (484.6 km).
#1 Spokane
The second most populous city in Washington.
| Population | 222,050 |
| Coordinates | 47.6596600, -117.4290800 |
| Altitude | 571 |
| Country | United States |
#2 Cosmopolis
City in Grays Harbor County, Washington, United States
| Population | 1,680 |
| Coordinates | 46.9553700, -123.7737800 |
| Altitude | 8 |
| Country | United States |
End: Cosmopolis (-123.77378, 46.95537)
Estimated Travel Time
Distance: 595 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 19m |
| 40 mph (64.37 km/h) | 09h 15m |
| 50 mph (80.47 km/h) | 07h 23m |
| 60 mph (96.56 km/h) | 06h 09m |
| 70 mph (112.65 km/h) | 05h 17m |
| 80 mph (129 km/h) | 04h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $68.34 | $136.69 |
| Mid-grade | $5.57 | $72.71 | $145.41 |
| Premium | $5.77 | $75.37 | $150.74 |
| Diesel | $5.47 | $71.40 | $142.80 |
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.