How far is Spokane Valley, WA from Ilwaco, WA?
The driving distance from Spokane Valley, WA to Ilwaco, WA is about 438.3 miles (705.4 km), with a travel time of about 08h 47m by car.
- The straight-line flight distance is about 334.1 miles (537.7 km).
- For a round trip, plan for roughly 17h 34m 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 08h 47m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Kittitas County, Washington, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Partly Sunny
Driving Route Map
The map below follows the saved road route between Spokane Valley and Ilwaco.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spokane Valley and Ilwaco.
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1
Start on North Pines Road
820 ft · 27 sec · North Pines Road
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2
Turn left onto East Montgomery Avenue
47 m · 6 sec · East Montgomery Avenue
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3
Take the ramp slight left
1753 ft · 43 sec
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4
Merge slight left onto Spokane Valley Freeway
11.3 mi · 14 min · Spokane Valley Freeway
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5
Keep slight left
56.6 mi · 1 hr 1 min
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6
Keep slight left
195.4 mi · 3 hr 32 min
-
7
Take the exit slight right toward WA 18 West: Auburn
1248 ft · 30 sec
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8
Keep slight left to continue on SR 18 west, Snoqualmie Parkway: Auburn, Tacoma
137 m · 13 sec
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9
Merge slight right onto Snoqualmie Parkway
1780 ft · 25 sec · Snoqualmie Parkway
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10
Continue on State Route 18
26.7 mi · 34 min · State Route 18
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11
Take the exit slight right toward I 5: Seattle, Tacoma
2980 ft · 1 min
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12
Keep slight left to continue on I 5 South, WA 161: Enchanted Parkway South, Tacoma
3094 ft · 1 min
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13
Keep slight left to continue on I 5 South: Tacoma
1297 ft · 32 sec
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14
Merge slight left
7.2 mi · 9 min
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15
Keep slight right
29.5 mi · 37 min
-
16
Take the exit slight right toward US 101: Aberdeen, Port Angeles
2448 ft · 35 sec
-
17
Continue straight
5.5 mi · 7 min
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18
Keep slight left
21 mi · 26 min
-
19
Continue on Olympic Highway
10 mi · 13 min · Olympic Highway
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20
Take the exit slight right toward WA 107: Montesano, Raymond
1371 ft · 42 sec
-
21
Turn left onto South Main Street
1.6 km · 2 min · South Main Street
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22
Continue on State Route 107
7 mi · 12 min · State Route 107
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23
At the end of the road, turn left
18.2 mi · 26 min
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24
Enter the roundabout and take exit 1 toward the route
19 m · 1 sec
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25
Exit the roundabout
29.6 mi · 43 min
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26
At the end of the road, turn right
13.1 mi · 19 min
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27
Turn left
3136 ft · 54 sec
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28
Continue straight
2.2 mi · 4 min
-
29
Turn right onto 1st Avenue North
16 m · 2 sec · 1st Avenue North
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30
Arrive at your destination
0 m · 1 sec · 1st Avenue North
Car Route Details
A richer read on the saved driving route between Spokane Valley and Ilwaco.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Spokane Valley Freeway
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 Valley and Partly Sunny near Ilwaco.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spokane Valley to Ilwaco?
The road trip is about 438.3 miles (705.4 km) and usually takes 08h 47m 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?
Roslyn is a useful midpoint, sitting about 218.8 miles from Spokane Valley and 219.6 miles from Ilwaco.
How much longer is the road route than the straight-line distance?
The direct path is about 334.1 miles (537.7 km), while the road route adds roughly 104.2 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 $80.95 one way or $161.91 round trip. Estimated CO2 is about 137.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Spokane Valley and Partly Sunny near Ilwaco.
Stop Ideas Near Roslyn
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 Roslyn.
Leavenworth, Washington
Leavenworth
Columbia Station
Stevens Pass, Washington
Flight Path Map
This map shows the direct air route between Spokane Valley and Ilwaco. Straight-line distance: 334.1 mi (537.68 km).
#1 Spokane Valley
The most populous city in Spokane County, Washington.
| Population | 102,893 |
| Coordinates | 47.6732300, -117.2393700 |
| Altitude | 615 |
| Country | United States |
#2 Ilwaco
City in Pacific County, Washington, United States
| Population | 1,006 |
| Coordinates | 46.3089900, -124.0432100 |
| Altitude | 7 |
| Country | United States |
End: Ilwaco (-124.04321, 46.30899)
Estimated Travel Time
Distance: 705 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 36m |
| 40 mph (64.37 km/h) | 10h 57m |
| 50 mph (80.47 km/h) | 08h 45m |
| 60 mph (96.56 km/h) | 07h 18m |
| 70 mph (112.65 km/h) | 06h 15m |
| 80 mph (129 km/h) | 05h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $80.95 | $161.91 |
| Mid-grade | $5.57 | $86.12 | $172.24 |
| Premium | $5.77 | $89.28 | $178.55 |
| Diesel | $5.47 | $84.57 | $169.15 |
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.