How far is Ilwaco, WA from Seattle, WA?
The driving distance from Ilwaco, WA to Seattle, WA is about 169.9 miles (273.5 km), with a travel time of about 03h 14m by car.
- The straight-line flight distance is about 120.6 miles (194.1 km).
- For a round trip, plan for roughly 06h 28m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 14m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Grays Harbor County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Ilwaco and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ilwaco and Seattle.
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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
31.9 mi · 40 min
-
18
Take the exit slight left toward Seneca Street
1359 ft · 36 sec
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19
Turn left onto Seneca Street
98 m · 18 sec · Seneca Street
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20
Turn left onto 5th Avenue
615 ft · 27 sec · 5th Avenue
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21
Turn right onto Madison Street
34 m · 9 sec · Madison Street
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22
Turn left
9 m · 2 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Ilwaco and Seattle.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Olympic Highway
Keep slight right
31.9 mi · 00h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Light Rain leaving Ilwaco and Light Rain Likely near Seattle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ilwaco to Seattle?
The road trip is about 169.9 miles (273.5 km) and usually takes 03h 14m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Elma is a useful midpoint, sitting about 85 miles from Ilwaco and 84.9 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 120.6 miles (194.1 km), while the road route adds roughly 49.3 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:32 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.40 one way or $62.80 round trip. Estimated CO2 is about 53.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Ilwaco and Light Rain Likely near Seattle.
Stop Ideas Near Elma
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 Elma.
Centralia station
Centennial Station
Tacoma Dome Station
Astoria Transit Center
Flight Path Map
This map shows the direct air route between Ilwaco and Seattle. Straight-line distance: 120.6 mi (194.08 km).
#1 Ilwaco
City in Pacific County, Washington, United States
| Population | 1,006 |
| Coordinates | 46.3089900, -124.0432100 |
| Altitude | 7 |
| Country | United States |
#2 Seattle
The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.
| Population | 769,714 |
| Coordinates | 47.6062100, -122.3320700 |
| Altitude | 56 |
| Country | United States |
End: (-122.332143, 47.606309)
Estimated Travel Time
Distance: 274 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 39m |
| 40 mph (64.37 km/h) | 04h 14m |
| 50 mph (80.47 km/h) | 03h 23m |
| 60 mph (96.56 km/h) | 02h 49m |
| 70 mph (112.65 km/h) | 02h 25m |
| 80 mph (129 km/h) | 02h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $31.40 | $62.80 |
| Mid-grade | $5.57 | $33.40 | $66.80 |
| Premium | $5.77 | $34.63 | $69.25 |
| Diesel | $5.47 | $32.80 | $65.60 |
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.