How far is Ilwaco, WA from Spokane Valley, WA?
The driving distance from Ilwaco, WA to Spokane Valley, WA is about 437.4 miles (704 km), with a travel time of about 07h 18m by car.
- The straight-line flight distance is about 334.1 miles (537.7 km).
- For a round trip, plan for roughly 14h 37m 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 18m.
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.
City in Kittitas County, Washington, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Rain
Driving Route Map
The map below follows the saved road route between Ilwaco and Spokane Valley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ilwaco and Spokane Valley.
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1
Start on 1st Avenue North
16 m · 9 sec · 1st Avenue North
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2
Turn left onto Spruce Street East
2300 ft · 1 min · Spruce Street East
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3
Turn slight left
1.7 mi · 3 min
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4
Turn left
3249 ft · 58 sec
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5
At the end of the road, turn right
13.1 mi · 19 min
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6
Turn left
29.6 mi · 43 min
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7
Enter the roundabout and take exit 2 toward the route
32 m · 1 sec
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8
Exit the roundabout
18.2 mi · 26 min
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9
Turn right onto State Route 107
7.1 mi · 12 min · State Route 107
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10
Continue on South Main Street
1.3 km · 1 min · South Main Street
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11
Take the ramp right
1923 ft · 53 sec
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12
Merge slight left onto Olympic Highway
10.1 mi · 13 min · Olympic Highway
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13
Continue straight
21.1 mi · 26 min
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14
Merge slight left
5.4 mi · 7 min
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15
Keep slight left
2818 ft · 53 sec
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16
Merge slight left
28.8 mi · 36 min
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17
Keep slight right
8.2 mi · 10 min
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18
Take the exit slight right toward WA 18 East: Auburn, Muckleshoot Reservation
2644 ft · 1 min
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19
Merge slight left onto State Route 18
27.3 mi · 35 min · State Route 18
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20
Continue on Snoqualmie Parkway
656 ft · 8 sec · Snoqualmie Parkway
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21
Take the exit slight right toward I 90 East: Spokane
3019 ft · 1 min
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22
Merge slight left
251.7 mi · 4 hr 32 min
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23
Merge slight right
11.3 mi · 14 min
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24
Take the exit slight right toward WA 27
2039 ft · 52 sec
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25
Turn left onto North Pines Road
45 m · 11 sec · North Pines Road
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26
Arrive at your destination
0 m · 1 sec · North Pines Road
Car Route Details
A richer read on the saved driving route between Ilwaco and Spokane Valley.
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.
Chance Light Rain leaving Ilwaco 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 Ilwaco to Spokane Valley?
The road trip is about 437.4 miles (704 km) and usually takes 07h 18m 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 218.5 miles from Ilwaco and 218.9 miles from Spokane Valley.
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 103.3 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 $80.80 one way or $161.60 round trip. Estimated CO2 is about 137.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Ilwaco and Rain near Spokane Valley.
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 Ilwaco and Spokane Valley. Straight-line distance: 334.1 mi (537.68 km).
#1 Ilwaco
City in Pacific County, Washington, United States
| Population | 1,006 |
| Coordinates | 46.3089900, -124.0432100 |
| Altitude | 7 |
| 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: 704 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 34m |
| 40 mph (64.37 km/h) | 10h 56m |
| 50 mph (80.47 km/h) | 08h 44m |
| 60 mph (96.56 km/h) | 07h 17m |
| 70 mph (112.65 km/h) | 06h 14m |
| 80 mph (129 km/h) | 05h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $80.80 | $161.60 |
| Mid-grade | $5.57 | $85.95 | $171.91 |
| Premium | $5.77 | $89.10 | $178.21 |
| Diesel | $5.47 | $84.41 | $168.82 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.