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Trip from Federal Way, WA to Sumner, WA

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Sep 7, 2026 · Editorial standards

Drive Time

21m

Distance

12.7 mi

20 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$3

one way

EV Charging

Sparse

1 stations

Best Time to Leave

4 AM
0h 20m ★
6 AM
0h 21m
8 AM
0h 25m
10 AM
0h 23m
12 PM
0h 22m
3 PM
0h 23m
5 PM
0h 25m
8 PM
0h 20m ★

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

Best Time
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Downtown Federal Way, WA, WA

Federal Way, WA

Wikimedia Commons

Downtown Sumner, WA, WA

Sumner, WA

Jan van der Wolf

Trip Overview

The drive from Federal Way, WA to Sumner, WA covers 12.7 miles and takes about 21m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Valley Freeway, South Peasley Canyon Road, South 320th Street for much of the mileage, and the overall profile is mixed highway & surface. The longest uninterrupted segment is about 6.4 miles on Valley Freeway. At current regular gas prices, budget about $2.67 one way before food or hotel costs.

Main Roads

Road Distance Duration
Valley Freeway 6.4 mi 7m
South Peasley Canyon Road 1.8 mi 3m
South 320th Street 1.4 mi 3m
Pacific Highway South 0.5 mi 1m
West Valley Highway North 0.5 mi <1m
Traffic Avenue 0.4 mi <1m
Maple Street 0.2 mi <1m
WA 410 0.2 mi <1m
Longest stretch: Valley Freeway — 6.4 mi, about 7m

Turn-by-Turn Driving Directions

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

1

Start on this road

24 ft · 7 sec · this road
2

Turn left onto South 312th Street

158 ft · 5 sec · South 312th Street
3

Turn left onto WA 99

0.5 mi · 1 min · Pacific Highway South
4

Turn left onto South 320th Street

1.4 mi · 3 min · South 320th Street
Use the straight lane.
5

Continue on South Peasley Canyon Road

1.0 mi · 1 min · South Peasley Canyon Road
6

Enter roundabout onto South Peasley Canyon Road

95 ft · 1 sec · South Peasley Canyon Road
7

Continue on South Peasley Canyon Road

0.7 mi · 1 min · South Peasley Canyon Road
8

Turn right onto West Valley Highway North

0.5 mi · 49 sec · West Valley Highway North
Use the right lane.
9

Turn left onto 15th Street Southwest

498 ft · 19 sec · 15th Street Southwest
Use the left / straight lanes.
10

Take the ramp

0.4 mi · 53 sec
Toward WA 167 South: Tacoma
11

Merge onto WA 167

6.4 mi · 7 min · Valley Freeway
Use the straight / slight right lanes.
12

Take the exit

0.6 mi · 47 sec
Toward WA 410 East: Sumner, Yakima Use the straight / slight right lanes.
13

Continue on WA 410

0.2 mi · 12 sec · WA 410
14

Take the exit

0.3 mi · 39 sec
Toward East Main Traffic Avenue Use the slight right lane.
15

Turn left onto Traffic Avenue

0.4 mi · 47 sec · Traffic Avenue
Use the left / right lanes.
16

Turn right onto Maple Street

0.2 mi · 37 sec · Maple Street
17

Turn left onto Alder Avenue

222 ft · 9 sec · Alder Avenue
18

Turn right

183 ft · 13 sec
19

Turn slight left

66 ft · 4 sec
20

Arrive at destination

Heads-up: tricky spots

5 of 13

5 decision points cluster between mile 0 and 11.8 — 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 | South 312th Street

Turn left onto South 312th Street

Navigation decision point

6
3.7 mi into trip | ~7m in | West Valley Highway North

Turn right onto West Valley Highway North

Lane positioning matters here

Use the right lane.
5
4.7 mi into trip | ~9m in | WA 167 / Valley Freeway

Merge onto WA 167 / Valley Freeway

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
7
11.1 mi into trip | ~17m in

Take the exit toward WA 410 East: Sumner, Yakima

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward WA 410 East: Sumner, Yakima
7
11.8 mi into trip | ~18m in

Take the exit toward East Main Traffic Avenue

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Toward East Main Traffic Avenue

Fuel & Cost

Regular Gas

$2.67 one way

$5.35 round trip

$5.35/gal 25.4 MPG avg 4 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $5.56 $2.78 $5.56
premium $5.76 $2.88 $5.76
diesel $5.60 $2.80 $5.60

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$3

Estimated CO2 emission: 4.4 kg one way. Prices: EIA weekly data, 2026-08-31.

Driving Electric?

About $1 in charging · 0 stops · 75% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 3.8 0 $1.33 $0.61
Efficient EV 3.2 0 $1.11 $0.51
EV Truck/SUV 5.1 0 $1.78 $0.81

Gas CO2

4 kg

EV CO2

1 kg (75% 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 Sep 2, 2026

Origin

Federal Way, WA

Afternoon in Federal Way on Monday

Local time

4:23 PM

PDT

Current temp

56°F

Mostly Cloudy

S 5 mph 5% chance Live forecast

Special Weather Statement

Special Weather Statement issued September 2 at 5:36AM PDT by NWS Spokane WA

Wind Advisory

Wind Advisory issued September 2 at 4:49AM PDT until September 2 at 5:00PM PDT by NWS Seattle WA

Destination

Sumner, WA

Afternoon in Sumner on Monday

Local time

4:23 PM

PDT

Current temp

56°F

Mostly Cloudy

SSE 2 mph 4% chance Live forecast

Special Weather Statement

Special Weather Statement issued September 2 at 5:36AM PDT by NWS Spokane WA

Wind Advisory

Wind Advisory issued September 2 at 4:49AM PDT until September 2 at 5:00PM PDT by NWS Seattle WA

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

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

21m 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?

12.7 mi in 21m — 51% highway, the rest on surface roads. Biggest road: Valley Freeway.

51% highway, the rest on surface roads — varied driving throughout.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 6.4 mi on Valley Freeway.

How Hard Is This Drive?

6/10

This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near South 312th Street.

Driving Effort 6/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 12.7 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: near the start (South 312th Street): Navigation decision point; at 3.7 miles (West Valley Highway North): Lane positioning matters here; at 4.7 miles (WA 167 / Valley Freeway): Merge point - match speed before joining. Lane positioning matters here.

Elevation Profile

Mostly flat terrain

465 ft 56 ft

Total Climb

62 ft

Total Descent

453 ft

Highest Point

465 ft

Elevation Range

408 ft

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

On the drive from Federal Way, WA to Sumner, WA, road signs begin pointing toward Yakima along the way.

Yakima

11.1 mi in | ~17m

About the Cities

Starting in Federal Way, WA

Full guide →

Founded 1929

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.

Top landmarks

  • • Wild Waves Theme Park — amusement park and water park in Federal Way, Washington, United States

Arriving in Sumner, WA

Full guide →

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 21m. Total distance: 12.7 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

21m drive, comfortable solo distance.

EV Driver

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

First-Time Driver

Mostly highway driving (51%). Some complex stretches to watch for.

Scenic Drive

Mixed highway & surface route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 6.4 miles on Valley Freeway. The full list of main roads is in the Roads section above.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Sumner, WA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

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 (South 312th Street): Navigation decision point; at 3.7 miles (West Valley Highway North): Lane positioning matters here; at 4.7 miles (WA 167 / Valley Freeway): Merge point - match speed before joining. Lane positioning matters here.

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 Sumner, 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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