How far is Cosmopolis, WA from Spokane, WA?
The driving distance from Cosmopolis, WA to Spokane, WA is about 370.5 miles (596.3 km), with a travel time of about 06h 02m by car.
- The straight-line flight distance is about 301.1 miles (484.6 km).
- For a round trip, plan for roughly 12h 05m 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 02m.
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.
Light Rain Likely
Rain
Driving Route Map
The map below follows the saved road route between Cosmopolis and Spokane.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cosmopolis and Spokane.
-
1
Start on 3rd Street
7 m · 3 sec · 3rd Street
-
2
Turn right onto F Street
655 ft · 28 sec · F Street
-
3
Turn right onto 1st Street
4.1 mi · 7 min · 1st Street
-
4
Turn left onto State Route 107
7 mi · 12 min · State Route 107
-
5
Continue on South Main Street
1.3 km · 1 min · South Main Street
-
6
Take the ramp right
1923 ft · 53 sec
-
7
Merge slight left onto Olympic Highway
10.1 mi · 13 min · Olympic Highway
-
8
Continue straight
21.1 mi · 26 min
-
9
Merge slight left
5.4 mi · 7 min
-
10
Keep slight left
2818 ft · 53 sec
-
11
Merge slight left
28.8 mi · 36 min
-
12
Keep slight right
8.2 mi · 10 min
-
13
Take the exit slight right toward WA 18 East: Auburn, Muckleshoot Reservation
2644 ft · 1 min
-
14
Merge slight left onto State Route 18
27.3 mi · 35 min · State Route 18
-
15
Continue on Snoqualmie Parkway
656 ft · 8 sec · Snoqualmie Parkway
-
16
Take the exit slight right toward I 90 East: Spokane
3019 ft · 1 min
-
17
Merge slight left
251.7 mi · 4 hr 32 min
-
18
Merge slight right
1.8 mi · 2 min
-
19
Take the exit slight right toward Maple Street, Lincoln Street, Walnut Street
1203 ft · 31 sec
-
20
Continue on West 5th Avenue
117 m · 13 sec · West 5th Avenue
-
21
Turn straight onto West Freeway Avenue
1151 ft · 33 sec · West Freeway Avenue
-
22
Continue on West 4th Avenue
1027 ft · 31 sec · West 4th Avenue
-
23
Continue on West 4th Avenue
51 m · 5 sec · West 4th Avenue
-
24
Continue on South Lincoln Street
2275 ft · 1 min · South Lincoln Street
-
25
Turn left onto West Main Avenue
846 ft · 35 sec · West Main Avenue
-
26
Turn right
8 m · 9 sec
-
27
Turn left onto South Gorge Trail
48 m · 17 sec · South Gorge Trail
-
28
Arrive at your destination
0 m · 1 sec · South Gorge Trail
Car Route Details
A richer read on the saved driving route between Cosmopolis and Spokane.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 East
Merge slight left
252 mi · 04h 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.
Light Rain Likely leaving Cosmopolis and Rain near Spokane.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cosmopolis to Spokane?
The road trip is about 370.5 miles (596.3 km) and usually takes 06h 02m 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 184.5 miles from Cosmopolis and 186 miles from Spokane.
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 69.4 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 $68.45 one way or $136.90 round trip. Estimated CO2 is about 116.2 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Cosmopolis and Rain near Spokane.
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 Cosmopolis and Spokane. Straight-line distance: 301.12 mi (484.6 km).
#1 Cosmopolis
City in Grays Harbor County, Washington, United States
| Population | 1,680 |
| Coordinates | 46.9553700, -123.7737800 |
| Altitude | 8 |
| Country | United States |
#2 Spokane
The second most populous city in Washington.
| Population | 222,050 |
| Coordinates | 47.6596600, -117.4290800 |
| Altitude | 571 |
| Country | United States |
End: West Main Avenue (-117.429081, 47.659029)
Estimated Travel Time
Distance: 596 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 20m |
| 40 mph (64.37 km/h) | 09h 15m |
| 50 mph (80.47 km/h) | 07h 24m |
| 60 mph (96.56 km/h) | 06h 10m |
| 70 mph (112.65 km/h) | 05h 17m |
| 80 mph (129 km/h) | 04h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $68.45 | $136.90 |
| Mid-grade | $5.57 | $72.82 | $145.63 |
| Premium | $5.77 | $75.48 | $150.97 |
| Diesel | $5.47 | $71.51 | $143.02 |
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.