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Trip from Federal Way, WA to Riverton, WA

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards

Drive Time

22m

Distance

11.6 mi

19 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$2

one way

EV Charging

Unknown

Best Time to Leave

Save up to 6 min
4 AM
0h 20m ★
6 AM
0h 22m
8 AM
0h 26m
10 AM
0h 24m
12 PM
0h 23m
3 PM
0h 24m
5 PM
0h 26m
8 PM
0h 21m

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

Best Time Drive vs Fly
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Download GPX
Downtown Riverton, WA, WA

Riverton, WA

Frank Cone

Trip Overview

Embark on a short, 11.6-mile journey from Federal Way, WA, to Riverton, WA, a drive that will take approximately 22 minutes. This local route stays entirely within Washington and the Pacific Coast region, making it a perfect candidate for a single-day excursion. With a low fuel cost estimated at $2, this trip is very budget-friendly. The drive primarily utilizes Pacific Highway South, International Boulevard, and Military Road South, offering a connected local experience without any interstate highway time. Consider this a straightforward local transit rather than an extensive road trip.

Main Roads

Road Distance Duration
Pacific Highway South 6.1 mi 10m
International Boulevard 4.1 mi 8m
Military Road South 1.2 mi 2m
South 133rd Street <0.1 mi <1m
South 152nd Street <0.1 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 Federal Way, WA and Riverton, WA.

1

Start on this road

24 ft · 7 sec · this road
2

Turn left onto South 312th Street

158 ft · 7 sec · South 312th Street
3

Turn right onto WA 99

6.1 mi · 10 min · Pacific Highway South
Use the left lane.
4

Continue on WA 99

4.1 mi · 8 min · International Boulevard
Use the left / uturn lanes.
5

Turn left onto South 152nd Street

211 ft · 12 sec · South 152nd Street
Use the left lane.
6

Turn right onto Military Road South

1.2 mi · 2 min · Military Road South
Use the right lane.
7

Turn right onto South 133rd Street

267 ft · 7 sec · South 133rd Street
8

Arrive at destination

South 133rd Street

Heads-up: tricky spots

5 of 5

5 decision points cluster between mile 0 and 11.5 — 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
0 mi into trip | ~0m in | WA 99 / Pacific Highway South

Turn right onto WA 99 / Pacific Highway South

Lane positioning matters here

Use the left lane.
6
10.2 mi into trip | ~19m in | South 152nd Street

Turn left onto South 152nd Street

Lane positioning matters here

Use the left lane.
5
10.3 mi into trip | ~19m in | Military Road South

Turn right onto Military Road South

Lane positioning matters here

Use the right lane.
4
11.5 mi into trip | ~22m in | South 133rd Street

Turn right onto South 133rd Street

Navigation decision point

Fuel & Cost

Regular Gas

$2.43 one way

$4.86 round trip

$5.32/gal 25.4 MPG avg 4 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $5.58 $2.55 $5.09
premium $5.77 $2.63 $5.27
diesel $5.61 $2.56 $5.12

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$2

Estimated CO2 emission: 4.1 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

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

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 3.5 0 $1.22 $0.56
Efficient EV 2.9 0 $1.02 $0.46
EV Truck/SUV 4.6 0 $1.62 $0.74

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 Apr 14, 2026

Origin

Federal Way, WA

Late night in Federal Way on Tuesday

Local time

1:51 AM

PDT

Current temp

49°F

Rain

SSW 16 mph 94% chance Live forecast

Wind Advisory

Wind Advisory issued April 14 at 4:28PM PDT until April 14 at 7:00PM PDT by NWS Seattle WA

Wind Advisory

Wind Advisory issued April 14 at 4:28PM PDT until April 14 at 8:00PM PDT by NWS Seattle WA

Destination

Riverton, WA

Late night in Riverton on Tuesday

Local time

1:51 AM

PDT

Current temp

50°F

Rain

SSW 15 mph 97% chance Live forecast

Wind Advisory

Wind Advisory issued April 14 at 4:28PM PDT until April 14 at 7:00PM PDT by NWS Seattle WA

Wind Advisory

Wind Advisory issued April 14 at 4:28PM PDT until April 14 at 8:00PM 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

1 degrees warmer at arrival

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

Road read

22m 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?

This is a turn-heavy local drive, meaning you'll be navigating city streets and intersections for the majority of the 11.6 miles. With a 0% highway share, expect consistent engagement with traffic signals and local road conditions. The longest uninterrupted stretch you'll encounter is 6.1 miles on Pacific Highway South. The roads will likely feel like a continuous urban or suburban landscape, requiring your attention to road signs and turning movements throughout the entire 22-minute duration.

Only 0% highway — the rest is turn-by-turn surface driving.
8 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?

4/10

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 near South 312th Street.

Driving Effort 4/10

Easy - simple navigation with a manageable amount of wheel time

Balances navigation complexity with total wheel time.

This is a straightforward 22m drive. You will face about 5 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 (South 312th Street): Navigation decision point; near the start (WA 99 / Pacific Highway South): Lane positioning matters here; at 10.2 miles (South 152nd Street): Lane positioning matters here.

About the Cities

Starting 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 22m. Total distance: 11.6 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

22m 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 (South 312th Street): Navigation decision point; near the start (WA 99 / Pacific Highway South): Lane positioning matters here; at 10.2 miles (South 152nd Street): 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 Riverton, 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, and NPS for national parks. See our methodology for refresh cadence and limitations.

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