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Trip from Castle Rock, WA to Federal Way, 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

1h 55m

Distance

96.1 mi

155 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$20

one way

EV Charging

Unknown

Best Time to Leave

Save up to 26 min
4 AM
1h 47m ★
6 AM
1h 56m
8 AM
2h 13m
10 AM
2h 2m
12 PM
2h 0m
3 PM
2h 3m
5 PM
2h 12m
8 PM
1h 51m

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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Downtown Castle Rock, WA, WA

Castle Rock, WA

JOHN CALLERY

Trip Overview

This 96.1-mile drive from Castle Rock, WA, to Federal Way, WA, is designed for a single day, taking approximately 1 hour and 55 minutes. You'll primarily be on I-5, which accounts for 97% of the journey. With an estimated fuel cost of $20, this route is budget-friendly for a quick trip. The Pacific Coast region offers a straightforward, highway-focused experience for this relatively short distance. Given its duration and minimal stops, it's an efficient travel day, allowing you to reach your destination without needing an overnight break.

Trip Pace

Same-day drive is realistic

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

Midpoint

48.1 miles from Castle Rock, WA

A natural place for your longest stop of the day , about 57m into the drive .

Main Roads

Road Distance Duration
I 5 93.1 mi 1h 48m
South 320th Street 0.8 mi 2m
Huntington Avenue North 0.5 mi 1m
Pacific Highway South 0.5 mi <1m
Front Avenue Southwest 0.2 mi <1m
Mount Saint Helens Way Northeast <0.1 mi <1m
South 312th Street <0.1 mi <1m
Barr Street <0.1 mi <1m
Longest stretch: I 5 — 93.1 mi, about 1h 48m

Turn-by-Turn Driving Directions

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

1

Start on Front Avenue Southwest

0.2 mi · 33 sec · Front Avenue Southwest
2

Turn right onto Barr Street

148 ft · 9 sec · Barr Street
3

Turn left onto I 5 Business; WA 411

0.5 mi · 1 min · Huntington Avenue North
4

Continue on I 5 Business; WA 411

408 ft · 13 sec · Mount Saint Helens Way Northeast
5

Take the ramp

0.4 mi · 53 sec
Toward I 5 North
6

Merge onto I 5

83 mi · 1 hr 36 min · I 5
Use the straight / slight right lanes.
7

Keep slight right at fork onto I 5

10 mi · 12 min · I 5
Use the slight right lane.
8

Take the exit

0.3 mi · 51 sec
Exit 143 Toward Federal Way, South 320th Street Use the straight / slight right lanes.
9

Turn left onto South 320th Street

0.8 mi · 2 min · South 320th Street
Use the left / straight / right lanes.
10

Turn right onto WA 99

0.5 mi · 55 sec · Pacific Highway South
11

Turn right onto South 312th Street

158 ft · 5 sec · South 312th Street
Use the right lane.
12

Turn right

24 ft · 1 sec
13

Arrive at destination

Trip Plan

For this 1 hour and 55-minute trip covering 96.1 miles, you have the flexibility to leave whenever suits you best. Since there are no specific stops recommended, consider departing early to avoid potential traffic on I-5, especially as you approach the Federal Way area. The estimated fuel cost is $20, so ensure your tank is adequately filled before you set off. Keep an eye on your fuel gauge, as the longest stretch is 93.1 miles on I-5, minimizing opportunities for quick fill-ups in the middle of the journey.

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 48.1 miles from Castle Rock, WA, or about 57m into the drive.
The longest continuous stretch on this route runs about 93.1 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 21 miles or 26m in

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

Halfway reset

Around 48.1 miles or 57m 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 32m

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 Castle Rock, WA so your first major turns are already loaded.

Day 1

Settle into the route from Castle Rock, WA

This is one driving day of about 96.1 miles and 1h 55m.

Your first comfortable stop window is around 21 miles from Castle Rock, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 5 for about 93.1 miles.

Where to Stop

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

city in and county seat of Thurston County, Washington, United States, and Washington federated state capital city

Mid-route town

Meal stop

Olympia, WA

48 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

Chehalis, WA

Fuel and coffee

A short stop after about 21 miles helps settle the day before fatigue starts building.

Olympia, WA

Meal break

The midpoint is around 48.1 miles from Castle Rock, WA, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before I 5 if your tank is already low. That segment runs about 93.1 miles.

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

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Best meal stop · around the midpoint

jean-pierre's three16

4.7 ★ ★ ★ ★ ★

Tumwater, Washington

Around the midpoint, right off the route

Halfway reset · 1h 6m in / 50min to go 0.2 mi from route $50 to $10

Hours: Closed

+13607049232

Visit website

Pellegrino's | Italian Kitchen & Catering

4.5 ★ ★ ★ ★ ★

Tumwater, Washington

0.3 mi

Country Cousin Restaurant

4.3 ★ ★ ★ ★ ☆

Centralia, Washington

0.5 mi

Best coffee break · home stretch

Cafe Seoul

4.7 ★ ★ ★ ★ ★

Federal Way, Washington

Near the end, right off the route

Home stretch · 0min to go 0.3 mi from route ~1 min detour $10 to $20

Hours: 7 am–7 pm

+12064605185

Visit website

Gravity Coffee

4.4 ★ ★ ★ ★ ☆

Lakewood, Washington

1.8 mi

Painted Plate

4.7 ★ ★ ★ ★ ★

Olympia, Washington

2 mi

jean-pierre's three16

4.7 ★ ★ ★ ★ ★

Around the midpoint, right off the route

Halfway reset 0.2 mi from route $50 to $10

Tumwater, Washington

Hours: Closed

+13607049232

Visit website

Pellegrino's | Italian Kitchen & Catering

4.5 ★ ★ ★ ★ ★

Around the midpoint, right off the route

Halfway reset 0.3 mi from route ~1 min detour $20 to $30

Tumwater, Washington

Hours: 11 am–8 pm

+13607099020

Visit website

Country Cousin Restaurant

4.3 ★ ★ ★ ★ ☆

Around the midpoint, right off the route

Early stretch 0.5 mi from route ~1 min detour $10 to $20

Centralia, Washington

Hours: 7 am–9 pm

+13607362200

Visit website

Chuck E. Cheese

4.0 ★ ★ ★ ★ ☆

Near the end, right off the route

Home stretch 0.3 mi from route ~1 min detour Moderately

Tacoma, Washington

Hours: 11 am–9 pm

+12534733078

Visit website

Hometown Restaurant

4.4 ★ ★ ★ ★ ☆

Around the midpoint, right off the route

Early stretch 0.8 mi from route ~2 min detour $10 to $20

Centralia, Washington

Hours: 7 am–9 pm

+13607360359

Visit website

Hops on the Hill

4.5 ★ ★ ★ ★ ★

Around the midpoint, right off the route

Halfway reset 0.8 mi from route ~2 min detour $20 to $30

Tumwater, Washington

Hours: 11 am–10 pm

+13609158780

Visit website

El Compadre Restaurant

4.4 ★ ★ ★ ★ ☆

Near the start, right off the route

0.9 mi from route ~2 min detour $10 to $20

Castle Rock, Washington

Hours: 11 am–8 pm

+13602742265

Visit website

Jeremy's Farm to Table

4.4 ★ ★ ★ ★ ☆

Early in the drive, short detour

Early stretch 1.3 mi from route ~3 min detour $20 to $30

Chehalis, Washington

Hours: 10 am–9 pm

+13607484417

Visit website

Cafe Seoul

4.7 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.3 mi from route ~1 min detour $10 to $20

Federal Way, Washington

Hours: 7 am–7 pm

+12064605185

Visit website

Gravity Coffee

4.4 ★ ★ ★ ★ ☆

Later in the drive, short detour

Final third 1.8 mi from route ~4 min detour Moderately

Lakewood, Washington

Hours: 5 am–8 pm

+12534478740

Visit website

Painted Plate

4.7 ★ ★ ★ ★ ★

Around the midpoint, short detour

Halfway reset 2 mi from route ~5 min detour

Olympia, Washington

Hours: 11 am–9 pm

+13607052103

Visit website

Naomi Joe Coffee Roasters

4.9 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 2.1 mi from route ~5 min detour $1 to $10

Tacoma, Washington

Hours: 8 am–5 pm

+12532373403

Visit website

Rainier Valley Coffee Co.

4.9 ★ ★ ★ ★ ★

Near the end, ~9 min detour

Home stretch 3.6 mi from route ~9 min detour $1 to $10

Puyallup, Washington

Hours: 4 am–6 pm

Visit website

Pioneer Park

4.6 ★ ★ ★ ★ ★

Around the midpoint, short detour

Halfway reset 1.6 mi from route ~4 min detour

Tumwater, Washington

Hours: 7 am–9 pm

+13607544160

Visit website

Marathon Park

4.5 ★ ★ ★ ★ ★

Around the midpoint, short detour

Halfway reset 1.5 mi from route ~4 min detour

Olympia, Washington

Hours: 7 am–9 pm

+13604072200

Visit website

STAR Center

4.5 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 1.8 mi from route ~4 min detour

Tacoma, Washington

Hours: 6 am–8 pm

+12534043939

Visit website

Lake Lois Habitat Reserve

4.3 ★ ★ ★ ★ ☆

Around the midpoint, short detour

Final third 1.4 mi from route ~3 min detour

Lacey, WA

Hours: 7:30 am–9 pm

+13604910857

Visit website

McChord AFB Museum

4.7 ★ ★ ★ ★ ★

Later in the drive, short detour

Final third 1.8 mi from route ~5 min detour

McChord AFB, Washington

Hours: 12–4 pm

+12539822485

Lincoln Heights Park

3.4 ★ ★ ★ ☆ ☆

Near the end, right off the route

Home stretch 0.8 mi from route ~2 min detour

Tacoma, Washington

Hours: 6 am–9 pm

+12533051000

Visit website

Children's Museum of Tacoma

4.6 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 2.5 mi from route ~6 min detour

Tacoma, Washington

Hours: 10 am–5 pm

+12536276031

Visit website

Lions Park

4.5 ★ ★ ★ ★ ★

Around the midpoint, short detour

Halfway reset 2.4 mi from route ~6 min detour

Olympia, Washington

Hours: 8 am–7 pm

+13607538380

Visit website

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 10

5 decision points cluster between mile 1.3 and 96.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
1.3 mi into trip | ~3m in | I 5

Merge onto I 5

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

Use the straight / slight right lanes.
6
84.4 mi into trip | ~1h 39m 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
94.4 mi into trip | ~1h 51m 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
94.7 mi into trip | ~1h 52m in | South 320th Street

Turn left onto South 320th Street

Lane positioning matters here

Use the left / straight / right lanes.
5
96.1 mi into trip | ~1h 55m in | South 312th Street

Turn right onto South 312th Street

Lane positioning matters here

Use the right lane.

Fuel & Cost

Regular Gas

$20.11 one way

$40.23 round trip

$5.32/gal 25.4 MPG avg 34 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $5.58 $21.09 $42.19
premium $5.77 $21.82 $43.65
diesel $5.61 $21.22 $42.44

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$20

Meals

$25–$50

Total

$45–$70

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

Estimated CO2 emission: 33.6 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $10 in charging · 0 stops · 68% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 28.8 0 $10.09 $4.61
Efficient EV 24 0 $8.41 $3.84
EV Truck/SUV 38.4 0 $13.45 $6.15

Gas CO2

34 kg

EV CO2

11 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 as of Apr 18, 2026

Origin

Castle Rock, WA

Morning in Castle Rock on Tuesday

Local time

10:03 AM

PDT

Current temp

68°F

Unavailable

Live forecast

Destination

Federal Way, WA

Morning in Federal Way on Tuesday

Local time

10:03 AM

PDT

Current temp

68°F

Mostly Sunny

NW 3 mph 7% chance 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

1h 55m 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.

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 96.1
View on nps.gov

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

What kind of drive is this?

Expect a predominantly highway-focused drive, with I-5 dominating 97% of the 96.1 miles. You'll experience a long, uninterrupted stretch of 93.1 miles on I-5, making for a consistent driving pace. While the bulk of the journey is on this major interstate, the initial and final segments may involve local road transitions like South 320th Street and Huntington Avenue North. This character suggests a practical, direct route rather than a winding, scenic tour, ideal for covering ground efficiently.

97% highway — fuel and pacing are the main things to plan.
13 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 93.1 mi on I 5.

How Hard Is This Drive?

4/10

This is a straightforward highway drive that stays mostly on I 5 and South 320th Street. There are only a few real navigation decisions along the way. The trickiest moment comes around 1.3 miles in near I 5.

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 1h 55m drive. You will face about 10 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

The main spots that need attention: at 1.3 miles (I 5): Merge point - match speed before joining. Lane positioning matters here; at 84.4 miles (I 5): Highway fork - watch signs carefully. Lane positioning matters here; at 94.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

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 1h 55m. Total distance: 96.1 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

1h 55m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (97%). Straightforward navigation.

Frequently Asked Questions

The longest stretch is about 93.1 miles on I 5. 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: at 1.3 miles (I 5): Merge point - match speed before joining. Lane positioning matters here; at 84.4 miles (I 5): Highway fork - watch signs carefully. Lane positioning matters here; at 94.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

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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