How far is Federal Way, WA from Ilwaco, WA?
The driving distance from Federal Way, WA to Ilwaco, WA is about 148.9 miles (239.6 km), with a travel time of about 03h 26m by car.
- The straight-line flight distance is about 107.7 miles (173.3 km).
- For a round trip, plan for roughly 06h 53m 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 26m.
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 Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Federal Way and Ilwaco.
Turn-by-Turn Driving Directions
Step-by-step road directions between Federal Way and Ilwaco.
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1
Start on the route
7 m · 7 sec
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2
Turn left onto South 312th Street
48 m · 6 sec · South 312th Street
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3
Turn left onto Pacific Highway South
1.8 mi · 3 min · Pacific Highway South
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4
Turn left onto 16th Avenue South
2572 ft · 1 min · 16th Avenue South
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5
Turn left onto State Route 18
152 m · 14 sec · State Route 18
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6
Take the exit slight right toward I 5 North, I 5 South: Seattle, Tacoma
633 ft · 16 sec
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7
Keep slight right to continue on I 5 South: Tacoma
1763 ft · 45 sec
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8
Merge slight left
7.5 mi · 9 min
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9
Keep slight right
29.5 mi · 37 min
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10
Take the exit slight right toward US 101: Aberdeen, Port Angeles
2448 ft · 35 sec
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11
Continue straight
5.5 mi · 7 min
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12
Keep slight left
21 mi · 26 min
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13
Continue on Olympic Highway
10 mi · 13 min · Olympic Highway
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14
Take the exit slight right toward WA 107: Montesano, Raymond
1371 ft · 42 sec
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15
Turn left onto South Main Street
1.6 km · 2 min · South Main Street
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16
Continue on State Route 107
7 mi · 12 min · State Route 107
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17
At the end of the road, turn left
18.2 mi · 26 min
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18
Enter the roundabout and take exit 1 toward the route
19 m · 1 sec
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19
Exit the roundabout
29.6 mi · 43 min
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20
At the end of the road, turn right
13.1 mi · 19 min
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21
Turn left
3136 ft · 54 sec
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22
Continue straight
2.2 mi · 4 min
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23
Turn right onto 1st Avenue North
16 m · 2 sec · 1st Avenue North
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24
Arrive at your destination
0 m · 1 sec · 1st Avenue North
Car Route Details
A richer read on the saved driving route between Federal Way and Ilwaco.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Route 107
Exit the roundabout
29.6 mi · 00h 43m
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.
Partly Sunny leaving Federal Way and Mostly Sunny near Ilwaco.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Federal Way to Ilwaco?
The road trip is about 148.9 miles (239.6 km) and usually takes 03h 26m 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?
Montesano is a useful midpoint, sitting about 74.3 miles from Federal Way and 74.6 miles from Ilwaco.
How much longer is the road route than the straight-line distance?
The direct path is about 107.7 miles (173.3 km), while the road route adds roughly 41.2 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:06 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.47 one way or $54.95 round trip. Estimated CO2 is about 46.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Federal Way and Mostly Sunny near Ilwaco.
Stop Ideas Near Montesano
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 Montesano.
Centralia station
Centennial Station
Astoria Transit Center
Warrenton, Oregon
Flight Path Map
This map shows the direct air route between Federal Way and Ilwaco. Straight-line distance: 107.69 mi (173.31 km).
#1 Federal Way
A city in King County, Washington.
| Population | 96,307 |
| Coordinates | 47.3223200, -122.3126200 |
| Altitude | 141 |
| 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: 240 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 57m |
| 40 mph (64.37 km/h) | 03h 43m |
| 50 mph (80.47 km/h) | 02h 58m |
| 60 mph (96.56 km/h) | 02h 28m |
| 70 mph (112.65 km/h) | 02h 07m |
| 80 mph (129 km/h) | 01h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $27.47 | $54.95 |
| Mid-grade | $5.57 | $29.23 | $58.45 |
| Premium | $5.77 | $30.30 | $60.60 |
| Diesel | $5.47 | $28.70 | $57.40 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.