Trip from Federal Way, WA to Cosmopolis, WA

Drive Time

Distance

89.4 mi

144 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$19

one way

EV Charging

None

0 DC fast

Best Time to Leave

Save up to 26 min

4 AM

1h 52m ★

6 AM

2h 1m

8 AM

2h 18m

10 AM

2h 7m

12 PM

2h 5m

3 PM

2h 7m

5 PM

2h 17m

8 PM

1h 55m

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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Cosmopolis, WA

Boris Hamer

Trip Overview

The drive from Federal Way, WA to Cosmopolis, WA covers 89.4 miles and takes about 2h behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 5, WA 8, Olympic Highway for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 37 miles on I 5. At current regular gas prices, budget about $18.76 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

0 planned breaks

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

44.7 miles from Federal Way, WA

A natural place for your longest stop of the day , about 58m into the drive .

Drive Character

This is a 2h highway drive covering 89.4 miles, with most of the trip on I 5 and WA 8. The longest continuous stretch is about 37 miles on I 5.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.

There are about 21 navigation steps in the underlying route data, so the final approach matters more than the middle miles.

I 5 is the longest continuous segment at about 37 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on I 5 and WA 8. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near South 312th Street.

Route Complexity 9/10

High effort - long or complex enough to need steady focus all day

This is a demanding drive. With 14 significant decision points across 89.4 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: near the start (South 312th Street): Navigation decision point; at 2.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 2.5 miles: Highway fork - watch signs carefully.

Critical Maneuvers

5 of 14 key points

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

0 mi into trip | ~0m in | South 312th Street

Turn left onto South 312th Street

Navigation decision point

2.4 mi into trip | ~5m in

Take the exit toward I 5 North, I 5 South: Seattle, Tacoma

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 I 5 North, I 5 South: Seattle, Tacoma

2.5 mi into trip | ~5m in

Keep slight right at fork toward I 5 South: Tacoma

Highway fork - watch signs carefully

Toward I 5 South: Tacoma

2.9 mi into trip | ~6m in | I 5

Merge onto I 5

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

Use the slight left lane.

10.3 mi into trip | ~15m in | I 5

Keep slight right at fork onto I 5

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes.

Towns Along This Route

Between Federal Way, WA and Cosmopolis, WA, road signs point toward Port Angeles and Raymond.

Port Angeles

39.9 mi in | ~52m

Raymond

76.9 mi in | ~1h 38m

Main Roads

Road	Distance	Duration
I 5	37 mi	46m
WA 8	21 mi	26m
Olympic Highway	10 mi	12m
US 101	9.6 mi	13m
State Route 107	7 mi	12m
Pacific Highway South	1.8 mi	3m
South Main Street	1 mi	1m
16th Avenue South	0.5 mi	1m

Longest stretch: I 5 — 37 mi, about 46m

Turn-by-Turn Driving Directions

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

Start on this road

24 ft · 7 sec · this road

Turn left onto South 312th Street

158 ft · 5 sec · South 312th Street

Turn left onto WA 99

1.8 mi · 3 min · Pacific Highway South

Turn left onto 16th Avenue South

0.5 mi · 1 min · 16th Avenue South

Turn left onto WA 18

497 ft · 13 sec · State Route 18

Use the left lane.

Take the exit

0.1 mi · 15 sec

Toward I 5 North, I 5 South: Seattle, Tacoma Use the straight / slight right lanes.

Keep slight right at fork

0.3 mi · 44 sec

Toward I 5 South: Tacoma

Merge onto I 5

7.5 mi · 9 min · I 5

Use the slight left lane.

Keep slight right at fork onto I 5

30 mi · 36 min · I 5

Use the straight / slight right lanes.

Take the exit

0.5 mi · 34 sec

Toward US 101: Aberdeen, Port Angeles

Continue on US 101

5.5 mi · 6 min · US 101

Keep slight left at fork onto WA 8

21 mi · 26 min · WA 8

Continue on US 12

10 mi · 12 min · Olympic Highway

Take the exit

0.3 mi · 41 sec

Toward WA 107: Montesano, Raymond

Turn left onto WA 107

1.0 mi · 1 min · South Main Street

Continue on WA 107

7.0 mi · 12 min · State Route 107

Take the ramp

187 ft · 5 sec

Merge onto US 101

4.0 mi · 6 min · US 101

Turn left onto E Street

0.1 mi · 24 sec · E Street

Turn right onto 3rd Street

277 ft · 9 sec · 3rd Street

Arrive at destination

3rd Street

Trip Plan

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.

You may only need one short stretch break if traffic stays light.

The halfway point lands around 44.7 miles from Federal Way, WA, or about 58m into the drive.

The longest continuous stretch on this route runs about 37 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 44m in

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

Halfway reset

Around 44.7 miles or 58m in

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

Final approach

Final hour starts around 1h 37m

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

Before You Leave

Open the route before leaving Federal Way, 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 Federal Way, WA

This is one driving day of about 89.4 miles and 2h.

Your first comfortable stop window is around 80 miles from Federal Way, WA.

This route can stay practical as a one-day drive if traffic stays reasonable.

You may only need one short stretch stop if conditions stay smooth.

The longest stretch is on I 5 for about 37 miles.

Where to Stop

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

Halfway Point

Midpoint

About 44.7 mi from Federal Way, WA · 58m into the drive

Mid-route town

Meal stop

Centralia, WA

45 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.

Pacing Suggestions

Centralia, WA

Fuel and coffee

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

Centralia, WA

Meal break

The midpoint is around 44.7 miles from Federal Way, WA, which is a good place for a longer meal and fuel stop.

Arriving in Cosmopolis, WA

The final approach into Cosmopolis, 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 Cosmopolis, WA.

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

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

View on nps.gov

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

Fuel & Cost

Regular Gas

$18.76 one way

$37.53 round trip

$5.33/gal 25.4 MPG avg 31 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$5.57	$19.59	$39.19
premium	$5.77	$20.31	$40.62
diesel	$5.64	$19.86	$39.72

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$19

Meals

$25–$50

Total

$44–$69

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

Estimated CO2 emission: 31.3 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $9 in charging · 0 stops · 68% less CO₂

Vehicle Type	kWh	DC Fast	Home Charge
Average EV	26.8	$9.39	$4.29
Efficient EV	22.4	$7.82	$3.58
EV Truck/SUV	35.8	$12.52	$5.72

Gas CO2

31 kg

EV CO2

10 kg (68% 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 data refreshed 3 days ago

Origin

Federal Way, WA

Afternoon in Federal Way on Monday

Local time

12:05 PM

PDT

Current temp

38°F

Unavailable

Live forecast

Destination

Cosmopolis, WA

Afternoon in Cosmopolis on Monday

Local time

12:05 PM

PDT

Current temp

38°F

Unavailable

Live forecast

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

Very similar conditions

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

Road read

2h on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

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

Frequently Asked Questions

The drive from Federal Way, WA to Cosmopolis, WA covers 89.4 miles and takes about 2h without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are I 5, WA 8, Olympic Highway. Most of the drive stays on highways, so watch for ramps and exits.

This is a comfortable same-day trip.

The midpoint is about 44.7 miles from Federal Way, WA. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $18.76 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

Between Federal Way, WA and Cosmopolis, WA, road signs point toward Port Angeles and Raymond.

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Return Trip

Cosmopolis, WA to Federal Way, WA

Plan the drive back the other way.

90.1 mi 2h 1m

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

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Trip from Federal Way, WA to Cosmopolis, WA

Best Time to Leave

Trip Overview

Drive Character

How Hard Is This Drive?

Critical Maneuvers

Towns Along This Route

Main Roads

Turn-by-Turn Driving Directions

Trip Plan

Before You Leave

Where to Stop

Pacing Suggestions

Arriving in Cosmopolis, WA

National Parks Near This Route

Klondike Gold Rush - Seattle Unit National Historical Park

Fuel & Cost

Travel Intel

Federal Way, WA

Cosmopolis, WA

Same local time

Very similar conditions

2h on the road

Frequently Asked Questions

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