Origin
DuPont, WA
Afternoon in DuPont on Sunday
Local time
12:38 PM
PDT
Current temp
59°F
Unavailable
Live forecast
Trip from DuPont, 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
36m
Distance
26.6 mi
43 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$6
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 33m
★
6 AM
0h 36m
8 AM
0h 42m
10 AM
0h 38m
12 PM
0h 38m
3 PM
0h 38m
5 PM
0h 42m
8 PM
0h 34m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
DuPont, WA
King Zubby
Trip Overview
This 26.6-mile drive from DuPont to Federal Way, WA, is a quick 36-minute trip, making it an ideal day trip. The route is predominantly highway-focused, with 92% of the journey on major interstates and roads like I-5 and Pacific Highway South. You can expect a fuel cost of around $6 for this short hop within the Pacific Coast region. Given its brevity, you won't need to worry about overnight stays; it's a straightforward transit that fits easily into any schedule. The overall feel is efficient and direct, designed for getting you from point A to point B with minimal fuss.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 5 | 24.5 mi | 30m |
| South 320th Street | 0.8 mi | 2m |
| Pacific Highway South | 0.5 mi | <1m |
| Barksdale Avenue | 0.3 mi | 1m |
| Locust Road | <0.1 mi | <1m |
| South 312th Street | <0.1 mi | <1m |
| Hercules Street | <0.1 mi | <1m |
Longest stretch:
I 5
— 24.5 mi, about 30m
Turn-by-Turn Driving Directions
Step-by-step road directions between DuPont, WA and Federal Way, WA.
1
Start on Hercules Street
47 ft
·
7 sec
·
Hercules Street
2
Turn left onto Barksdale Avenue
0.3 mi
·
1 min
·
Barksdale Avenue
3
Continue on Locust Road
499 ft
·
13 sec
·
Locust Road
4
Turn left onto I 5
14 mi
·
18 min
·
I 5
Use the straight / slight right lanes.
5
Keep slight right at fork onto I 5
10 mi
·
12 min
·
I 5
Use the slight right lane.
6
Take the exit
0.3 mi
·
51 sec
Exit 143
Toward Federal Way, South 320th Street
Use the straight / slight right lanes.
7
Turn left onto South 320th Street
0.8 mi
·
2 min
·
South 320th Street
Use the left / straight / right lanes.
8
Turn right onto WA 99
0.5 mi
·
55 sec
·
Pacific Highway South
9
Turn right onto South 312th Street
158 ft
·
5 sec
·
South 312th Street
Use the right lane.
10
Turn right
24 ft
·
1 sec
11
Arrive at destination
Heads-up: tricky spots
5 of 85 decision points cluster between mile 14.9 and 26.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
14.9 mi into trip
|
~19m in
|
I 5
Keep slight right at fork onto I 5
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
8
24.9 mi into trip
|
~32m in
Take the exit toward Federal Way, South 320th Street
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.
Exit 143
Toward Federal Way, South 320th Street
6
25.3 mi into trip
|
~32m in
|
South 320th Street
Turn left onto South 320th Street
Lane positioning matters here
Use the left / straight / right lanes.
5
26.6 mi into trip
|
~35m in
|
South 312th Street
Turn right onto South 312th Street
Lane positioning matters here
Use the right lane.
5
26.6 mi into trip
|
~36m in
Turn right
Navigation decision point
Fuel & Cost
Regular Gas
$5.57 one way
$11.13 round trip
$5.32/gal
25.4 MPG avg
9 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.58 | $5.84 | $11.68 |
| premium | $5.77 | $6.04 | $12.08 |
| diesel | $5.61 | $5.87 | $11.75 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$6
Estimated CO2 emission: 9.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8 | 0 | $2.79 | $1.28 |
| Efficient EV | 6.7 | 0 | $2.33 | $1.06 |
| EV Truck/SUV | 10.6 | 0 | $3.72 | $1.70 |
Gas CO2
9 kg
EV CO2
3 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.
Destination
Federal Way, WA
Afternoon in Federal Way on Sunday
Local time
12:38 PM
PDT
Current temp
57°F
Mostly Sunny
N 3 mph
0% chance
Live forecast
Freeze Warning
Freeze Warning issued April 16 at 10:29PM PDT until April 17 at 9:00AM PDT by NWS Pendleton OR
Freeze Warning
Freeze Warning issued April 16 at 10:29PM 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
2 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
36m 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 highway-dominated experience on this route, with 92% of your travel occurring on high-speed roads. The longest uninterrupted stretch you'll encounter is 24.5 miles on I-5, offering a consistent pace. You'll primarily navigate on I-5, South 320th Street, and Pacific Highway South. This profile suggests a driving experience characterized by steady speed and limited opportunities for spontaneous stops along the main thoroughfare. The road's personality is that of a functional corridor connecting two points in Washington.
92% highway — fuel and pacing are the main things to plan.
11 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 24.5 mi on I 5.
How Hard Is This Drive?
6/10
This is a straightforward highway drive that stays mostly on I 5 and South 320th Street. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes around 14.9 miles in near I 5.
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 26.6 miles you will encounter 8 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: at 14.9 miles (I 5): Highway fork - watch signs carefully. Lane positioning matters here; at 24.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 25.3 miles (South 320th Street): Lane positioning matters here.
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 36m. Total distance: 26.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
36m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (92%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 24.5 miles on I 5. 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 Federal Way, 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: at 14.9 miles (I 5): Highway fork - watch signs carefully. Lane positioning matters here; at 24.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 25.3 miles (South 320th 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 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, and NPS for national parks. See our methodology for refresh cadence and limitations.
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