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Trip from Millwood, WA to Federal Way, WA

Drive Time

5h 28m

Distance

291.6 mi

469 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$61

one way

EV Charging

None

0 DC fast

Best Time to Leave

Save up to 40 min
4 AM
5h 15m ★
6 AM
5h 28m
8 AM
5h 55m
10 AM
5h 37m
12 PM
5h 35m
3 PM
5h 39m
5 PM
5h 53m
8 PM
5h 20m

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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Trip Overview

The drive from Millwood, WA to Federal Way, WA covers 291.6 miles and takes about 5h 28m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 90, State Route 18, Spokane Valley Freeway for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 252 miles on I 90. At current regular gas prices, budget about $61.20 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

1 planned break

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

145.8 miles from Millwood, WA

A natural place for your longest stop of the day , about 2h 40m into the drive .

Drive Character

This is a 5h 28m highway drive covering 291.6 miles, with most of the trip on I 90 and State Route 18. The longest continuous stretch is about 252 miles on I 90.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 22 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 90 is the longest continuous segment at about 252 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on I 90 and State Route 18. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 262.2 miles in.

Route Complexity 8/10

Demanding - plan breaks and stay ahead of the key maneuvers

This is a demanding drive. With 17 significant decision points across 291.6 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 262.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 262.4 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 287.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 17 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

7
262.2 mi into trip | ~4h 46m in

Take the exit toward WA 18 West: Auburn

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

Use the slight right lane. Exit 25 Toward WA 18 West: Auburn
9
262.4 mi into trip | ~4h 47m in

Keep slight left at fork toward SR 18 west, Snoqualmie Parkway: Auburn, Tacoma

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / left / right lanes. Toward SR 18 west, Snoqualmie Parkway: Auburn,...
7
287.1 mi into trip | ~5h 19m in

Take the exit toward WA 167: Renton, Puyallup

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

Use the slight right lane. Toward WA 167: Renton, Puyallup
9
287.3 mi into trip | ~5h 19m in

Keep slight left at fork toward WA 167 South: Puyallup, West Valley Highway

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward WA 167 South: Puyallup, West Valley High...
8
287.6 mi into trip | ~5h 19m in

Keep slight left at fork toward West Valley Highway

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / right lanes. Toward West Valley Highway

Towns Along This Route

Between Millwood, WA and Federal Way, WA, road signs point toward Snoqualmie Parkway: Auburn and Tacoma.

Snoqualmie Parkway: Auburn

262.4 mi in | ~4h 47m

Tacoma

262.4 mi in | ~4h 47m

Main Roads

Road Distance Duration
I 90 252 mi 4h 32m
State Route 18 24.2 mi 31m
Spokane Valley Freeway 9.3 mi 11m
South Peasley Canyon Road 1.8 mi 3m
South 320th Street 1.4 mi 3m
North Argonne Road 0.6 mi 1m
Pacific Highway South 0.5 mi <1m
Snoqualmie Parkway 0.3 mi <1m
Longest stretch: I 90 — 252 mi, about 4h 32m

Turn-by-Turn Driving Directions

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

1

Start on North Argonne Road

311 ft · 9 sec · North Argonne Road
2

Continue on North Argonne Road

0.6 mi · 1 min · North Argonne Road
3

Take the ramp

0.4 mi · 45 sec
Toward Spokane
4

Merge onto I 90

9.3 mi · 11 min · Spokane Valley Freeway
5

Keep slight left at fork onto I 90; US 395

57 mi · 1 hr · I 90; US 395
6

Keep slight left at fork onto I 90

195 mi · 3 hr 31 min · I 90
Use the straight / slight right lanes.
7

Take the exit

0.2 mi · 30 sec
Exit 25 Toward WA 18 West: Auburn Use the slight right lane.
8

Keep slight left at fork

448 ft · 13 sec
Toward SR 18 west, Snoqualmie Parkway: Auburn, Tacoma Use the straight / left / right lanes.
9

Merge onto WA 18

0.3 mi · 25 sec · Snoqualmie Parkway
10

Continue on WA 18

24 mi · 31 min · State Route 18
Use the straight / slight right lanes.
11

Take the exit

0.2 mi · 19 sec
Toward WA 167: Renton, Puyallup Use the slight right lane.
12

Keep slight left at fork

0.3 mi · 26 sec
Toward WA 167 South: Puyallup, West Valley Highway Use the straight / slight right lanes.
13

Keep slight left at fork

0.1 mi · 24 sec
Toward West Valley Highway Use the straight / right lanes.
14

At end of road, turn left onto West Valley Highway North

0.1 mi · 20 sec · West Valley Highway North
Use the straight lane.
15

Turn right onto South Peasley Canyon Road

0.7 mi · 1 min · South Peasley Canyon Road
Use the straight / right lanes.
16

Enter roundabout onto South Peasley Canyon Road

67 ft · 1 sec · South Peasley Canyon Road
17

Continue on South Peasley Canyon Road

1.0 mi · 1 min · South Peasley Canyon Road
Use the left lane.
18

Continue on South 320th Street

1.4 mi · 3 min · South 320th Street
19

Turn right onto WA 99

0.5 mi · 55 sec · Pacific Highway South
20

Turn right onto South 312th Street

158 ft · 5 sec · South 312th Street
Use the right lane.
21

Turn right

24 ft · 1 sec
22

Arrive at destination

Trip Plan

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 145.8 miles from Millwood, WA, or about 2h 40m into the drive.
The longest continuous stretch on this route runs about 252 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 80 miles or 1h 29m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 145.8 miles or 2h 40m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 4h 21m

Traffic, exits, and arrival timing usually matter more near Federal Way, WA than in the middle of the route.

Before You Leave

+

Open the route before leaving Millwood, WA so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Millwood, WA

This is one driving day of about 291.6 miles and 5h 28m.

Your first comfortable stop window is around 80 miles from Millwood, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 90 for about 252 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 145.8 mi from Millwood, WA · 2h 40m into the drive

Downtown Monroe, WA, WA

Mid-route town

Meal stop

Monroe, WA

146 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Popular next leg

Monroe, WA to Federal Way, WA

50.5 mi · 58m

Pacing Suggestions

Moses Lake, WA

Fuel and coffee

A short stop after about 80 miles helps settle the day before fatigue starts building.

Yakima, WA

Meal break

The midpoint is around 145.8 miles from Millwood, WA, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before I 90 if your tank is already low. That segment runs about 252 miles.

Arriving in Federal Way, WA

The final approach into Federal Way, WA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Federal Way, WA.

After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

National Parks Near This Route

Worth a detour if your schedule allows.

Klondike Gold Rush - Seattle Unit National Historical Park

Klondike Gold Rush - Seattle Unit National Historical Park

National Historical Park

Seattle flourished during and after the Klondike Gold Rush. Merchants supplied people from around the world passing through this port city on their way to a remarkable adventure in the Yukon Territory...

19 mi from route ~48 min detour Free near mile 291.6
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

Fuel & Cost

Regular Gas

$61.20 one way

$122.40 round trip

$5.33/gal 25.4 MPG avg 102 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $5.57 $63.91 $127.82
premium $5.77 $66.25 $132.51
diesel $5.64 $64.78 $129.57

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$61

Meals

$25–$50

Total

$86–$111

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 102 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $31 in charging · 1 stop · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 87.5 1 $30.62 $14.00
Efficient EV 72.9 0 $25.52 $11.66
EV Truck/SUV 116.6 1 $40.82 $18.66

Gas CO2

102 kg

EV CO2

34 kg (67% less)

Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.

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 data refreshed 3 days ago

Origin

Millwood, WA

Morning in Millwood on Monday

Local time

9:46 AM

PDT

Current temp

33°F

Unavailable

Live forecast

Destination

Federal Way, WA

Morning in Federal Way on Monday

Local time

9:46 AM

PDT

Current temp

38°F

Unavailable

Live forecast

Along the Route

52°F

Monroe, WA

146 mi in

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

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

5 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

5h 28m on the road

An early start around 7-8 AM gets you there with plenty of daylight left.

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

Frequently Asked Questions

The drive from Millwood, WA to Federal Way, WA covers 291.6 miles and takes about 5h 28m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 90, State Route 18, Spokane Valley Freeway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 145.8 miles from Millwood, WA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $61.20 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 17 significant decision points across 291.6 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 262.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 262.4 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 287.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Millwood, WA and Federal Way, WA, road signs point toward Snoqualmie Parkway: Auburn and Tacoma.

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