How far is Alderton, WA from Federal Way, WA?
The driving distance from Alderton, WA to Federal Way, WA is about 14.2 miles (22.9 km), with a travel time of about 00h 30m by car.
- The straight-line flight distance is about 11.2 miles (18.1 km).
- For a round trip, plan for roughly 01h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 30m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Human settlement in Washington, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Alderton and Federal Way.
Turn-by-Turn Driving Directions
Step-by-step road directions between Alderton and Federal Way.
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1
Start on State Route 162
1.1 mi · 2 min · State Route 162
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2
Continue on Orting Highway East
2841 ft · 1 min · Orting Highway East
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3
Take the ramp left toward WA 410 West: Tacoma
1496 ft · 23 sec
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4
Merge slight left
1.1 mi · 2 min
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5
Keep slight right to continue on WA 167 North: Seattle
1749 ft · 43 sec
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6
Merge slight left onto Valley Freeway
6.2 mi · 8 min · Valley Freeway
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7
Take the exit slight right toward 15th Street Southwest
1379 ft · 34 sec
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8
Keep slight left to continue on 15th Street Southwest
81 m · 18 sec
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9
Turn left onto 15th Street Southwest
1149 ft · 30 sec · 15th Street Southwest
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10
At the end of the road, turn right onto West Valley Highway North
2380 ft · 55 sec · West Valley Highway North
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11
Turn left onto South Peasley Canyon Road
1.2 km · 1 min · South Peasley Canyon Road
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12
Enter the roundabout and take exit 1 toward South Peasley Canyon Road
21 m · 2 sec · South Peasley Canyon Road
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13
Exit the roundabout onto South Peasley Canyon Road
1 mi · 2 min · South Peasley Canyon Road
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14
Continue on South 320th Street
1.4 mi · 3 min · South 320th Street
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15
Turn right onto Pacific Highway South
2617 ft · 55 sec · Pacific Highway South
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16
Turn right onto South 312th Street
48 m · 6 sec · South 312th Street
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17
Turn right
7 m · 2 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Alderton and Federal Way.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Valley Freeway
Merge slight left onto Valley Freeway
6.24 mi · 00h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms leaving Alderton and Showers And Thunderstorms near Federal Way.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Alderton to Federal Way?
The road trip is about 14.2 miles (22.9 km) and usually takes 00h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Pacific is a useful midpoint, sitting about 7.1 miles from Alderton and 7.1 miles from Federal Way.
How much longer is the road route than the straight-line distance?
The direct path is about 11.2 miles (18.1 km), while the road route adds roughly 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:28 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.62 one way or $5.23 round trip. Estimated CO2 is about 4.4 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Alderton and Showers And Thunderstorms near Federal Way.
Stop Ideas Near Pacific
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall Tacoma
City Hall Park
Auburn Building Permits
City of Normandy Park City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Pacific.
Tacoma Dome Station
Tukwila station
King Street Station
Seattle (Ferry - Pier 69), Washington
Flight Path Map
This map shows the direct air route between Alderton and Federal Way. Straight-line distance: 11.25 mi (18.11 km).
#1 Alderton
Alderton is a place in Washington, United States.
| Population | 0 |
| Coordinates | 47.1695500, -122.2292800 |
| Altitude | 27 |
| 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: 23 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 28m |
| 40 mph (64.37 km/h) | 00h 21m |
| 50 mph (80.47 km/h) | 00h 17m |
| 60 mph (96.56 km/h) | 00h 14m |
| 70 mph (112.65 km/h) | 00h 12m |
| 80 mph (129 km/h) | 00h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $2.62 | $5.23 |
| Mid-grade | $5.57 | $2.78 | $5.57 |
| Premium | $5.77 | $2.89 | $5.77 |
| Diesel | $5.47 | $2.73 | $5.47 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.