How far is Walnut Grove, WA from Federal Way, WA?
The driving distance from Walnut Grove, WA to Federal Way, WA is about 143.5 miles (231 km), with a travel time of about 02h 28m by car.
- The straight-line flight distance is about 115.1 miles (185.3 km).
- For a round trip, plan for roughly 04h 57m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 28m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Lewis County, Washington, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Walnut Grove and Federal Way.
Turn-by-Turn Driving Directions
Step-by-step road directions between Walnut Grove and Federal Way.
-
1
Start on Northeast 63rd Street
822 ft · 26 sec · Northeast 63rd Street
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2
Turn right onto Northeast Andresen Road
1.6 km · 2 min · Northeast Andresen Road
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3
Turn right onto Northeast Padden Parkway
2773 ft · 57 sec · Northeast Padden Parkway
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4
Turn left onto I 205 North: Seattle
2360 ft · 2 min
-
5
Merge slight left
4.2 mi · 5 min
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6
Merge slight left
125.5 mi · 2 hr 22 min
-
7
Keep slight right
10 mi · 13 min
-
8
Take the exit slight right toward Federal Way, South 320th Street
1774 ft · 51 sec
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9
Turn left onto South 320th Street
1.3 km · 2 min · South 320th Street
-
10
Turn right onto Pacific Highway South
2617 ft · 55 sec · Pacific Highway South
-
11
Turn right onto South 312th Street
48 m · 6 sec · South 312th Street
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12
Turn right
7 m · 2 sec
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13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Walnut Grove and Federal Way.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 205 North
Merge slight left
126 mi · 02h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Walnut Grove and Sunny near Federal Way.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Walnut Grove to Federal Way?
The road trip is about 143.5 miles (231 km) and usually takes 02h 28m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Napavine is a useful midpoint, sitting about 71.7 miles from Walnut Grove and 71.8 miles from Federal Way.
How much longer is the road route than the straight-line distance?
The direct path is about 115.1 miles (185.3 km), while the road route adds roughly 28.4 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 1:32 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.48 one way or $52.96 round trip. Estimated CO2 is about 45 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Walnut Grove and Sunny near Federal Way.
Stop Ideas Near Napavine
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 Napavine.
Centralia station
Centennial Station
Kelso Multimodal Transportation Center
Astoria Transit Center
Flight Path Map
This map shows the direct air route between Walnut Grove and Federal Way. Straight-line distance: 115.12 mi (185.27 km).
#1 Walnut Grove
City in Minnesota, United States
| Population | 9,790 |
| Coordinates | 45.6678900, -122.5989900 |
| Altitude | 83 |
| Country | United States |
#2 Federal Way
A city in King County, Washington.
| Population | 96,307 |
| Coordinates | 47.3223200, -122.3126200 |
| Altitude | 141 |
| Country | United States |
End: (-122.312612, 47.32232)
Estimated Travel Time
Distance: 231 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 46m |
| 40 mph (64.37 km/h) | 03h 35m |
| 50 mph (80.47 km/h) | 02h 52m |
| 60 mph (96.56 km/h) | 02h 23m |
| 70 mph (112.65 km/h) | 02h 03m |
| 80 mph (129 km/h) | 01h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $26.48 | $52.96 |
| Mid-grade | $5.57 | $28.17 | $56.34 |
| Premium | $5.77 | $29.20 | $58.40 |
| Diesel | $5.47 | $27.66 | $55.33 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.