How far is Federal Way, WA from Walnut Grove, WA?
The driving distance from Federal Way, WA to Walnut Grove, WA is about 142.4 miles (229.2 km), with a travel time of about 02h 47m by car.
- The straight-line flight distance is about 115.1 miles (185.3 km).
- For a round trip, plan for roughly 05h 34m 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 47m.
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 Federal Way and Walnut Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Federal Way and Walnut Grove.
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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
126.2 mi · 2 hr 23 min
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10
Keep slight right to continue on I 205 South: Salem
4.2 mi · 6 min
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11
Take the exit slight right toward Padden Parkway, Northeast Andresen Road
1573 ft · 42 sec
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12
Turn right onto Northeast Padden Parkway
1097 ft · 21 sec · Northeast Padden Parkway
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13
Turn left onto Northeast Andresen Road
1 mi · 2 min · Northeast Andresen Road
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14
Turn left onto Northeast 63rd Street
822 ft · 22 sec · Northeast 63rd Street
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15
Arrive at your destination
0 m · 1 sec · Northeast 63rd Street
Car Route Details
A richer read on the saved driving route between Federal Way and Walnut Grove.
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 5 South
Keep slight right
126 mi · 02h 23m
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.
Sunny leaving Federal Way and Mostly Sunny near Walnut Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Federal Way to Walnut Grove?
The road trip is about 142.4 miles (229.2 km) and usually takes 02h 47m 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 71.1 miles from Federal Way and 71.3 miles from Walnut Grove.
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 27.3 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 12:56 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.32 one way or $52.64 round trip. Estimated CO2 is about 44.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Federal Way and Mostly Sunny near Walnut Grove.
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 Federal Way and Walnut Grove. Straight-line distance: 115.12 mi (185.27 km).
#1 Federal Way
A city in King County, Washington.
| Population | 96,307 |
| Coordinates | 47.3223200, -122.3126200 |
| Altitude | 141 |
| Country | United States |
#2 Walnut Grove
City in Minnesota, United States
| Population | 9,790 |
| Coordinates | 45.6678900, -122.5989900 |
| Altitude | 83 |
| Country | United States |
End: Walnut Grove (-122.59899, 45.66789)
Estimated Travel Time
Distance: 229 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 44m |
| 40 mph (64.37 km/h) | 03h 33m |
| 50 mph (80.47 km/h) | 02h 50m |
| 60 mph (96.56 km/h) | 02h 22m |
| 70 mph (112.65 km/h) | 02h 02m |
| 80 mph (129 km/h) | 01h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $26.32 | $52.64 |
| Mid-grade | $5.57 | $28.00 | $56.00 |
| Premium | $5.77 | $29.03 | $58.06 |
| Diesel | $5.47 | $27.50 | $55.00 |
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.