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Trip from SeaTac, WA to Federal Way, WA

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

17m

Distance

9.1 mi

15 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$2

one way

EV Charging

Unknown

Best Time to Leave

4 AM
0h 16m ★
6 AM
0h 18m
8 AM
0h 21m
10 AM
0h 19m
12 PM
0h 18m
3 PM
0h 19m
5 PM
0h 21m
8 PM
0h 17m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

city in King County, Washington State, United States

SeaTac, WA

Wikimedia Commons

Trip Overview

If you are planning a quick trip from SeaTac to Federal Way, you will cover a brief 9.1-mile distance that typically takes about 17 minutes to navigate. This straightforward journey stays entirely within the Pacific Coast region of Washington, making it an ideal candidate for a single-day outing. Because the route is so compact, you will not need to worry about overnight accommodations or complicated logistics. Budgeting around $2 for fuel should easily cover your needs for this short commute. Whether you are heading to a meeting or visiting friends, the simplicity of this local drive offers a stress-free way to transit between these two cities.

Main Roads

Road Distance Duration
Pacific Highway South 6.1 mi 10m
International Boulevard 2.6 mi 5m
South 176th Street 0.2 mi <1m
32nd Avenue South 0.2 mi <1m
South 312th Street <0.1 mi <1m
Longest stretch: Pacific Highway South — 6.1 mi, about 10m

Turn-by-Turn Driving Directions

Step-by-step road directions between SeaTac, WA and Federal Way, WA.

1

Start on this road

140 ft · 15 sec · this road
2

Turn left

52 ft · 5 sec
3

Turn right onto 32nd Avenue South

0.2 mi · 39 sec · 32nd Avenue South
4

Turn right onto South 176th Street

0.2 mi · 31 sec · South 176th Street
5

Turn left onto WA 99

2.6 mi · 5 min · International Boulevard
Use the left lane.
6

Continue on WA 99

6.1 mi · 10 min · Pacific Highway South
Use the left / uturn lanes.
7

Turn left onto South 312th Street

209 ft · 9 sec · South 312th Street
8

Turn right

24 ft · 1 sec
9

Arrive at destination

Heads-up: tricky spots

5 of 6

5 decision points cluster between mile 0 and 9.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
0 mi into trip | ~0m in

Turn left

Navigation decision point

5
0 mi into trip | ~0m in | 32nd Avenue South

Turn right onto 32nd Avenue South

Navigation decision point

4
0.2 mi into trip | ~1m in | South 176th Street

Turn right onto South 176th Street

Navigation decision point

4
0.4 mi into trip | ~1m in | WA 99 / International Boulevard

Turn left onto WA 99 / International Boulevard

Lane positioning matters here

Use the left lane.
5
9.1 mi into trip | ~17m in

Turn right

Navigation decision point

Fuel & Cost

Regular Gas

$1.90 one way

$3.81 round trip

$5.32/gal 25.4 MPG avg 3 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $5.58 $2.00 $3.99
premium $5.77 $2.07 $4.13
diesel $5.61 $2.01 $4.02

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$2

Estimated CO2 emission: 3.2 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $1 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 2.7 0 $0.96 $0.44
Efficient EV 2.3 0 $0.80 $0.36
EV Truck/SUV 3.6 0 $1.27 $0.58

Gas CO2

3 kg

EV CO2

1 kg (67% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 16, 2026

Origin

SeaTac, WA

Late night in SeaTac on Sunday

Local time

4:57 AM

PDT

Current temp

60°F

Unavailable

Live forecast

Destination

Federal Way, WA

Late night in Federal Way on Sunday

Local time

4:57 AM

PDT

Current temp

56°F

Sunny

SW 6 mph 2% chance Live forecast

Freeze Warning

Freeze Warning issued April 16 at 6:46AM PDT until April 17 at 9:00AM PDT by NWS Pendleton OR

Freeze Warning

Freeze Warning issued April 16 at 6:46AM PDT until April 17 at 9:00AM PDT by NWS Pendleton OR

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

4 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

17m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

Expect a turn-heavy local drive rather than a high-speed interstate experience, as this route contains zero highway miles. You will spend your time navigating local corridors, primarily utilizing International Boulevard, South 176th Street, and Pacific Highway South. The longest uninterrupted stretch you will encounter is a 6.1-mile segment along Pacific Highway South. Because the route relies on surface streets, the pace is dictated by local traffic patterns and intersections rather than open-road cruising. Prepare for a hands-on driving experience that requires your full attention as you transition between these urban corridors.

Only 0% highway — the rest is turn-by-turn surface driving.
9 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 6.1 mi on Pacific Highway South.

How Hard Is This Drive?

3/10

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive.

Driving Effort 3/10

Easy - simple navigation with a manageable amount of wheel time

Balances navigation complexity with total wheel time.

This is a straightforward 17m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

The main spots that need attention: near the start: Navigation decision point; near the start (32nd Avenue South): Navigation decision point; at 0.2 miles (South 176th Street): Navigation decision point.

Elevation Profile

Mostly flat terrain

472 ft 273 ft

Total Climb

328 ft

Total Descent

297 ft

Highest Point

472 ft

~8.5 mi in

Elevation Range

199 ft

About the Cities

Arriving in Federal Way, WA

Full guide →

Federal Way is a city in King County on the Puget Sound of Washington State. It is the home of the Pacific Bonsai Museum and Rhododendron Species Botanical Gardens. With a population of 96,000 (2016), Federal Way is one of Seattle's largest suburbs.

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 17m. Total distance: 9.1 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

17m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (0%). Straightforward navigation.

Scenic Drive

Mostly surface roads route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 6.1 miles on Pacific Highway South. The full list of main roads is in the Roads section above.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: near the start: Navigation decision point; near the start (32nd Avenue South): Navigation decision point; at 0.2 miles (South 176th Street): Navigation decision point.

Yes — Klondike Gold Rush - Seattle Unit National Historical Park. See the National Parks section for detour distances and tips on detours.

Yes. A round trip is manageable in a single day if you plan a break at Federal Way, WA before heading back.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, and NPS for national parks. See our methodology for refresh cadence and limitations.

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Explore more options from SeaTac, WA or browse trips ending in Federal Way, WA.

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