How far is Sammamish, WA from Federal Way, WA?
The driving distance from Sammamish, WA to Federal Way, WA is about 35.7 miles (57.4 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 24.6 miles (39.6 km).
- For a round trip, plan for roughly 01h 27m 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 43m.
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.
The second most populous city in King County, Washington.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain Likely
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Sammamish and Federal Way.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sammamish and Federal Way.
-
1
Start on East Lake Sammamish Parkway Northeast
1.9 mi · 4 min · East Lake Sammamish Parkway Northeast
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2
Turn slight left onto Redmond Way
1531 ft · 34 sec · Redmond Way
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3
Take the ramp straight toward WA 520 West: Seattle
1.1 km · 1 min
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4
Merge slight left
1.6 mi · 2 min
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5
Take the exit slight right toward Northeast 40th Street
2259 ft · 32 sec
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6
Keep slight left to continue on WA 520 West: Seattle
1 km · 49 sec
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7
Merge slight left
2.8 mi · 3 min
-
8
Take the exit slight right toward I 405 South: Renton
1445 ft · 35 sec
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9
Merge slight left
14.8 mi · 18 min
-
10
Take the exit slight right toward I 5 South: Portland
1446 ft · 49 sec
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11
Merge slight left
7.3 mi · 9 min
-
12
Take the exit slight right toward South 272nd Street
2018 ft · 55 sec
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13
Turn right onto South 272nd Street
2875 ft · 1 min · South 272nd Street
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14
Turn left onto Pacific Highway South
2.5 mi · 5 min · Pacific Highway South
-
15
Turn left onto South 312th Street
64 m · 9 sec · South 312th Street
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16
Turn right
7 m · 2 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Sammamish 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 405 South
Merge slight left
14.8 mi · 00h 18m
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.
Light Rain Likely leaving Sammamish and Light Rain Likely near Federal Way.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sammamish to Federal Way?
The road trip is about 35.7 miles (57.4 km) and usually takes 00h 43m 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?
Renton is a useful midpoint, sitting about 17.3 miles from Sammamish and 18.4 miles from Federal Way.
How much longer is the road route than the straight-line distance?
The direct path is about 24.6 miles (39.6 km), while the road route adds roughly 11.1 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 7:02 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.59 one way or $13.19 round trip. Estimated CO2 is about 11.2 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Sammamish and Light Rain Likely near Federal Way.
Stop Ideas Near Renton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Tukwila Community Center
Auburn Building Permits
City of Auburn
Auburn Community & Event Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Renton.
Tukwila station
King Street Station
Seattle (Ferry - Pier 69), Washington
Tacoma Dome Station
Flight Path Map
This map shows the direct air route between Sammamish and Federal Way. Straight-line distance: 24.59 mi (39.58 km).
#1 Sammamish
Town
| Population | 65,960 |
| Coordinates | 47.6417700, -122.0804000 |
| Altitude | 18 |
| 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: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $6.59 | $13.19 |
| Mid-grade | $5.57 | $7.01 | $14.03 |
| Premium | $5.77 | $7.27 | $14.54 |
| Diesel | $5.47 | $6.89 | $13.78 |
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.