How far is SeaTac, WA from Federal Way, WA?
The driving distance from SeaTac, WA to Federal Way, WA is about 11.6 miles (18.7 km), with a travel time of about 00h 19m by car.
- The straight-line flight distance is about 8.8 miles (14.1 km).
- For a round trip, plan for roughly 00h 39m 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 19m.
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.
City in Washington
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between SeaTac and Federal Way.
Turn-by-Turn Driving Directions
Step-by-step road directions between SeaTac and Federal Way.
-
1
Start on the route
43 m · 16 sec
-
2
Turn left
16 m · 6 sec
-
3
Turn right onto 32nd Avenue South
1031 ft · 39 sec · 32nd Avenue South
-
4
Turn right onto South 176th Street
1055 ft · 32 sec · South 176th Street
-
5
Turn left onto International Boulevard
2.6 mi · 5 min · International Boulevard
-
6
Continue on Pacific Highway South
6.1 mi · 11 min · Pacific Highway South
-
7
Turn left onto South 312th Street
64 m · 9 sec · South 312th Street
-
8
Turn right
7 m · 2 sec
-
9
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between SeaTac 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.
Pacific Highway South
Continue on Pacific Highway South
6.08 mi · 00h 11m
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.
Mostly Cloudy leaving SeaTac 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 SeaTac to Federal Way?
The road trip is about 11.6 miles (18.7 km) and usually takes 00h 19m 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?
Des Moines is a useful midpoint, sitting about 4.5 miles from SeaTac and 7.1 miles from Federal Way.
How much longer is the road route than the straight-line distance?
The direct path is about 8.8 miles (14.1 km), while the road route adds roughly 2.8 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 7:50 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.15 one way or $4.29 round trip. Estimated CO2 is about 3.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around SeaTac and Sunny near Federal Way.
Stop Ideas Near Des Moines
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall Tacoma
Tukwila Community Center
Auburn Building Permits
City of Covington
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Des Moines.
Tukwila station
Tacoma Dome Station
King Street Station
Seattle (Ferry - Pier 69), Washington
Flight Path Map
This map shows the direct air route between SeaTac and Federal Way. Straight-line distance: 8.77 mi (14.11 km).
#1 SeaTac
Airport in SeaTac, Washington, USA
| Population | 28,904 |
| Coordinates | 47.4484600, -122.2921700 |
| Altitude | 80 |
| 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: 19 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 23m |
| 40 mph (64.37 km/h) | 00h 17m |
| 50 mph (80.47 km/h) | 00h 13m |
| 60 mph (96.56 km/h) | 00h 11m |
| 70 mph (112.65 km/h) | 00h 09m |
| 80 mph (129 km/h) | 00h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $2.15 | $4.29 |
| Mid-grade | $5.57 | $2.28 | $4.56 |
| Premium | $5.77 | $2.37 | $4.73 |
| Diesel | $5.47 | $2.24 | $4.48 |
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 06, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.