If you are planning a trip from West Lake Sammamish to Bellingham, expect a straightforward 95.5-mile journey that typically takes about 1 hour and 59 minutes. Since this is a highway-focused route utilizing I-90, I-405, and I-5, it is easily manageable as a single-day excursion. You should budget approximately $20 for fuel to complete the trip. Because both the origin and destination are located within the Pacific Coast region, the drive stays consistent in its coastal character. It is an efficient transit option that gets you from point A to point B without needing an overnight stop. Overall, this route is ideal for travelers who prioritize speed and direct access over winding backroads.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
47.8 miles from West Lake Sammamish, WA
A natural place for your longest stop of the day
, about 1h into the drive
.
Main Roads
Road
Distance
Duration
I 5
70.2 mi
1h 22m
I 405
18.4 mi
23m
I 90
2.9 mi
3m
East Holly Street
0.6 mi
1m
Dupont Street
0.5 mi
1m
Lakeway Drive
0.4 mi
1m
West Lake Sammamish Parkway Southeast
0.3 mi
<1m
Prospect Street
0.3 mi
<1m
Longest stretch:
I 5
— 70.2 mi, about 1h 22m
Turn-by-Turn Driving Directions
Step-by-step road directions between West Lake Sammamish, WA and Bellingham, WA.
1
Start on Southeast 40th Place
280 ft·13 sec·Southeast 40th Place
2
Turn right
454 ft·35 sec
3
Turn left onto West Lake Sammamish Parkway Southeast
0.3 mi·42 sec·West Lake Sammamish Parkway Southeast
4
Enter roundabout onto West Lake Sammamish Parkway Southeast
93 ft·2 sec·West Lake Sammamish Parkway Southeast
5
Continue on West Lake Sammamish Parkway Southeast
81 ft·2 sec·West Lake Sammamish Parkway Southeast
6
Take the ramp
0.4 mi·52 sec
Toward I 90 West
7
Merge onto I 90
2.9 mi·3 min·I 90
8
Take the exit
0.2 mi·27 sec
Exit 10Toward I 405: Renton, EverettUse the straight / slight right lanes.
9
Keep slight right at fork
0.5 mi·59 sec
Toward I 405 North: Everett, BellevueUse the slight right lane.
10
Merge onto I 405
8.1 mi·10 min·I 405
Use the straight / slight right lanes.
11
Keep slight right at fork onto I 405
8.4 mi·10 min·I 405
Use the straight / slight right lanes.
12
Keep slight right at fork onto I 405
1.9 mi·2 min·I 405
13
Take the exit
0.5 mi·48 sec
Toward I 5 North: Everett, Vancouver British ColumbiaUse the straight / slight right lanes.
14
Merge onto I 5
70 mi·1 hr 22 min·I 5
Use the straight / slight right lanes.
15
Take the exit
0.1 mi·27 sec
Exit 253Toward Lakeway Drive
16
Turn right onto King Street
471 ft·9 sec·King Street
17
Turn right onto Lakeway Drive
0.4 mi·1 min·Lakeway Drive
18
Continue on East Holly Street
0.6 mi·1 min·East Holly Street
19
Turn right onto Bay Street
77 ft·2 sec·Bay Street
20
Turn left onto Prospect Street
0.3 mi·38 sec·Prospect Street
21
Continue on Dupont Street
0.5 mi·1 min·Dupont Street
22
Arrive at destination
Dupont Street
Trip Plan
To ensure the smoothest travel experience, try to avoid peak commuting hours on I-5 to keep your drive time closer to the two-hour mark. Since this is a relatively short trip with no required stops, you have the flexibility to plan your departure whenever it best suits your schedule. Keep in mind that your fuel costs will hover around $20, so fueling up before you hit the main highway segments can help you maintain momentum. Because the longest stretch is over 70 miles, make sure you are comfortable with extended highway driving before heading out. Taking advantage of the direct interstate access allows you to reach Bellingham efficiently, giving you more time to enjoy your destination once you arrive.
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 47.8 miles from West Lake Sammamish, WA, or about 1h into the drive.
The longest continuous stretch on this route runs about 70.2 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 28m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 47.8 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 Bellingham, WA than in the middle of the route.
Before You Leave
+
Open the route before leaving West Lake Sammamish, WA so your first major turns are already loaded.
Day 1
Settle into the route from West Lake Sammamish, WA
This is one driving day of about 95.5 miles and 1h 59m.
Your first comfortable stop window is around 21 miles from West Lake Sammamish, WA.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 5 for about 70.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 16
5 decision points cluster between mile 0.4 and 22.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.4 mi into trip|~1m in|West Lake Sammamish Parkway Southeast
Enter roundabout onto West Lake Sammamish Parkway Southeast
Roundabout - know your exit number before entering
8
3.7 mi into trip|~6m in
Take the exit toward I 405: Renton, Everett
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 10
Toward I 405: Renton, Everett
8
4 mi into trip|~6m in
Keep slight right at fork toward I 405 North: Everett, Bellevue
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I 405 North: Everett, Bellevue
6
12.5 mi into trip|~17m in|I 405
Keep slight right at fork onto I 405
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
7
22.8 mi into trip|~30m in
Take the exit toward I 5 North: Everett, Vancouver British Columbia
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: Everett, Vancouver British Co...
Fuel & Cost
Regular Gas
$19.99 one way
$39.97 round trip
$5.32/gal25.4 MPG avg33 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.58
$20.96
$41.92
premium
$5.77
$21.69
$43.37
diesel
$5.61
$21.09
$42.17
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: 33.4 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $10 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
28.7
0
$10.03
$4.58
Efficient EV
23.9
0
$8.36
$3.82
EV Truck/SUV
38.2
0
$13.37
$6.11
Gas CO2
33 kg
EV CO2
11 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 13, 2026
Origin
West Lake Sammamish, WA
Night
in West Lake Sammamish on Saturday
Local time
9:47 PM
PDT
Current temp
46°F
Light Rain
S 5 mph77% chanceLive forecast
Winter Storm Watch
Winter Storm Watch issued April 13 at 2:38AM PDT until April 15 at 11:00PM PDT by NWS Seattle WA
Winter Storm Watch
Winter Storm Watch issued April 13 at 12:01AM PDT until April 16 at 5:00AM PDT by NWS Portland OR
Destination
Bellingham, WA
Night
in Bellingham on Saturday
Local time
9:47 PM
PDT
Current temp
59°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
13 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
1h 59m 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.
More Details
What kind of drive is this?
Expect a high-speed experience, as 96% of this route consists of major interstate travel. You will spend the bulk of your time on I-5, which accounts for the longest uninterrupted stretch of 70.2 miles. The personality of this drive is strictly functional and highway-focused rather than a leisurely, technical cruise. Because you are sticking to major arteries for the entire duration, you can anticipate a steady pace behind the wheel. Prepare for a consistent interstate environment that prioritizes connectivity across the Pacific Coast region.
96% highway — fuel and pacing are the main things to plan.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 70.2 mi on I 5.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on I 5 and I 405. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.4 miles in near West Lake Sammamish Parkway Southeast.
Driving Effort10/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 95.5 miles you will encounter 16 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 0.4 miles (West Lake Sammamish Parkway Southeast): Roundabout - know your exit number before entering; at 3.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 4 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Mostly flat terrain
442 ft11 ft
Total Climb
812 ft
Total Descent
802 ft
Highest Point
442 ft
~27.3 mi in
Elevation Range
431 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from West Lake Sammamish, WA to Bellingham, WA, road signs begin pointing toward Vancouver British Columbia along the way.
Vancouver British Columbia
22.8 mi in|~30m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 59m. Total distance: 95.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 59m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (96%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 70.2 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 Bellingham, 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 0.4 miles (West Lake Sammamish Parkway Southeast): Roundabout - know your exit number before entering; at 3.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 4 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Bellingham, WA before heading back.
