Skip to main content
Trip.ovh Logo
Trip.ovh

Trip from Sudden Valley, WA to Seattle, WA

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards

Drive Time

1h 53m

Distance

86.1 mi

139 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$18

one way

EV Charging

Unknown

Best Time to Leave

Save up to 25 min
4 AM
1h 45m ★
6 AM
1h 53m
8 AM
2h 10m
10 AM
1h 59m
12 PM
1h 58m
3 PM
2h 0m
5 PM
2h 9m
8 PM
1h 48m

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

Best Time Drive vs Fly
Google Maps Waze Apple Maps
Download GPX
Downtown Sudden Valley, WA, WA

Sudden Valley, WA

Ken Cheatham

city in and county seat of King County, State of Washington, United States

Seattle, WA

Wikimedia Commons

Trip Overview

The drive from Sudden Valley, WA to Seattle, WA covers 86.1 miles and takes about 1h 53m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 5, Lake Whatcom Boulevard, Alger Cain Lake Road for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 74.8 miles on I 5. At current regular gas prices, budget about $18.02 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.

Midpoint

43.1 miles from Sudden Valley, WA

A natural place for your longest stop of the day , about 1h into the drive .

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 1h 53m. Total distance: 86.1 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

1h 53m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (87%). Straightforward navigation.

Drive Character

This is a 1h 53m highway drive covering 86.1 miles, with most of the trip on I 5 and Lake Whatcom Boulevard. The longest continuous stretch is about 74.8 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 17 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 74.8 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on I 5 and Lake Whatcom Boulevard. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.2 miles in near Sudden Valley Drive.

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 53m drive. You will face about 11 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

The main spots that need attention: at 0.2 miles (Sudden Valley Drive): Navigation decision point; at 10.7 miles (I 5): Merge point - match speed before joining. Lane positioning matters here; at 85.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Critical Maneuvers

5 of 11 key points

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

5
0.2 mi into trip | ~0m in | Sudden Valley Drive

At end of road, turn right onto Sudden Valley Drive

Navigation decision point

5
10.7 mi into trip | ~22m in | I 5

Merge onto I 5

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

Use the straight / slight right lanes.
7
85.5 mi into trip | ~1h 51m in

Take the exit toward Union Street

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

Use the slight right lane. Exit 165B Toward Union Street
7
85.8 mi into trip | ~1h 52m in | 5th Avenue

Turn left onto 5th Avenue

Lane positioning matters here

Use the left lane.
5
86.1 mi into trip | ~1h 53m in | Madison Street

Turn right onto Madison Street

Navigation decision point

Main Roads

Road Distance Duration
I 5 74.8 mi 1h 28m
Lake Whatcom Boulevard 3.5 mi 6m
Alger Cain Lake Road 2.8 mi 4m
Cain Lake Road 2.1 mi 3m
Sudden Valley Drive 1 mi 4m
Lake Samish Road 0.9 mi 2m
5th Avenue 0.3 mi <1m
Lost Fork Lane 0.2 mi <1m
Longest stretch: I 5 — 74.8 mi, about 1h 28m

Turn-by-Turn Driving Directions

Step-by-step road directions between Sudden Valley, WA and Seattle, WA.

1

Start on Tawny Circle

280 ft · 11 sec · Tawny Circle
2

Turn left onto Lost Fork Lane

0.2 mi · 41 sec · Lost Fork Lane
3

At end of road, turn right onto Sudden Valley Drive

0.7 mi · 2 min · Sudden Valley Drive
4

Continue on Sudden Valley Drive

0.3 mi · 1 min · Sudden Valley Drive
5

Continue on Sudden Valley Drive

169 ft · 8 sec · Sudden Valley Drive
6

Turn right onto Lake Whatcom Boulevard

3.5 mi · 6 min · Lake Whatcom Boulevard
7

Turn right onto Cain Lake Road

2.1 mi · 3 min · Cain Lake Road
8

Continue on Alger Cain Lake Road

2.8 mi · 4 min · Alger Cain Lake Road
9

Continue on Lake Samish Road

0.9 mi · 2 min · Lake Samish Road
10

Take the ramp

0.2 mi · 30 sec
11

Merge onto I 5

75 mi · 1 hr 28 min · I 5
Use the straight / slight right lanes.
12

Take the exit

0.2 mi · 25 sec
Exit 165B Toward Union Street Use the slight right lane.
13

Continue on Union Street

0.2 mi · 41 sec · Union Street
Use the straight / left / right lanes.
14

Turn left onto 5th Avenue

0.3 mi · 55 sec · 5th Avenue
Use the left lane.
15

Turn right onto Madison Street

113 ft · 9 sec · Madison Street
16

Turn left

31 ft · 2 sec
17

Arrive at destination

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 43.1 miles from Sudden Valley, WA, or about 1h into the drive.
The longest continuous stretch on this route runs about 74.8 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 19 miles or 32m in

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

Halfway reset

Around 43.1 miles or 1h 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 36m

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

Before You Leave

+

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

Day 1

Settle into the route from Sudden Valley, WA

This is one driving day of about 86.1 miles and 1h 53m.

Your first comfortable stop window is around 19 miles from Sudden Valley, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 5 for about 74.8 miles.

Where to Stop

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

Halfway Point

Midpoint

About 43.1 mi from Sudden Valley, WA · 1h into the drive

city in Washington, United States

Mid-route town

Meal stop

Marysville, WA

43 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

Marysville, WA to Seattle, WA

33.8 mi · 44m

Pacing Suggestions

Burlington, WA

Fuel and coffee

A short stop after about 19 miles helps settle the day before fatigue starts building.

Everett, WA

Meal break

The midpoint is around 43.1 miles from Sudden Valley, 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 74.8 miles.

Arriving in Seattle, WA

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

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...

0 mi from route ~1 min detour Free near mile 86.1
View on nps.gov

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

Fuel & Cost

Regular Gas

$18.02 one way

$36.04 round trip

$5.32/gal 25.4 MPG avg 30 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $5.58 $18.90 $37.80
premium $5.77 $19.55 $39.10
diesel $5.61 $19.01 $38.02

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$18

Meals

$25–$50

Total

$43–$68

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

Estimated CO2 emission: 30.1 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $9 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 25.8 0 $9.04 $4.13
Efficient EV 21.5 0 $7.53 $3.44
EV Truck/SUV 34.4 0 $12.05 $5.51

Gas CO2

30 kg

EV CO2

10 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.

Forecast as of Apr 15, 2026

Origin

Sudden Valley, WA

Afternoon in Sudden Valley on Friday

Local time

4:10 PM

PDT

Current temp

52°F

Unavailable

Live forecast

Destination

Seattle, WA

Afternoon in Seattle on Friday

Local time

4:10 PM

PDT

Current temp

49°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

3 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

1h 53m 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 Sudden Valley, WA to Seattle, WA covers 86.1 miles and takes about 1h 53m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are I 5, Lake Whatcom Boulevard, Alger Cain Lake Road. Most of the drive stays on highways, so watch for ramps and exits.

This is a comfortable same-day trip.

The midpoint is about 43.1 miles from Sudden Valley, WA. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $18.02 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.

This is a straightforward 1h 53m drive. You will face about 11 decision points, but nothing that requires special attention if you follow navigation.

The main spots that need attention: at 0.2 miles (Sudden Valley Drive): Navigation decision point; at 10.7 miles (I 5): Merge point - match speed before joining. Lane positioning matters here; at 85.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

The route from Sudden Valley, WA to Seattle, WA does not surface many named destination signs beyond the main corridor.

Yes. Nearby national parks include Klondike Gold Rush - Seattle Unit National Historical Park.

How this page is built

Compiled by the Trip.ovh 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.

Was this helpful?

Thanks for your feedback!

Your tip has been submitted. Thanks!

/500

Explore More

Continue From Seattle, WA

Mead, WA 291 mi · 5h 29m Spokane Valley, WA 288.4 mi · 5h 19m Colfax, WA 271.1 mi · 5h 27m Garrett, WA 269.4 mi · 5h 4m

More from Sudden Valley, WA

Yakima, WA 222.1 mi · 4h 26m Tacoma, WA 119.3 mi · 2h 35m Federal Way, WA 107.8 mi · 2h 21m Kent, WA 103.3 mi · 2h 16m Kirkland, WA 82.2 mi · 1h 49m

More trips to Seattle, WA

Pullman, WA 286 mi Colfax, WA 271.3 mi Medical Lake, WA 268.5 mi Dallesport, WA 242.5 mi Omak, WA 237.2 mi Okanogan, WA 232.7 mi
Weekend drives from Sudden Valley, WA Scenic drives in WA

Explore more options from Sudden Valley, WA or browse trips ending in Seattle, WA.

Looking for more statewide routes? Browse WA road trips.