Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
1h 34m
Distance
65.5 mi
105 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$14
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Seattle, WA
Wikimedia Commons
Longbranch, WA
Jan Simpson
Seattle to Longbranch is 65.5 miles and takes about 1h 34m via I 5 and WA 16, with a fuel budget near $14 and enough daylight to finish in a day. This largely highway-focused drive stays within Washington State, starting in the Pacific Coast region and ending in the same area. Given its short duration, it's ideal for a single-day excursion, offering a straightforward journey with minimal fuss. You'll spend most of your time on major roadways, making it a convenient option for a quick trip without requiring overnight stays.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
32.8 miles from Seattle, WA
A natural place for your longest stop of the day , about 42m into the drive .
Weekend Trip
Doable as a same-day drive at 1h 34m. Total distance: 65.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 34m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (75%). Some complex stretches to watch for.
This route is predominantly a highway drive, with 75% of it utilizing major roadways like I 5 and WA 16. You'll encounter your longest uninterrupted stretch of 32.6 miles on I 5, which sets a brisk pace for the initial part of the journey. As you transition to WA 16 and then Key Peninsula Highway Northwest, the character may shift slightly, but the overall feel remains focused on efficient travel rather than winding scenic byways. Expect smooth sailing for the majority of the 65.5 miles.
This is a straightforward highway drive that stays mostly on I 5 and WA 16. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Spring Street.
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 65.5 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 0.1 miles (Spring Street): Lane positioning matters here; at 1.1 miles (I 5): Highway fork - watch signs carefully. Multiple destination signs - pick the right one; at 1.2 miles (I 5): Highway fork - watch signs carefully. Lane positioning matters here.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn right onto Spring Street
Lane positioning matters here
Keep slight right at fork onto I 5 toward I 5 South: Tacoma, Portland
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Keep slight left at fork onto I 5 toward I 5 South: Sea-Tac Airport
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward WA 16 West: Gig Harbor, Bremerton
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight left at fork toward WA 16 West: Union Avenue
Highway fork - watch signs carefully. Lane positioning matters here
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Seattle, WA to Longbranch, WA, road signs begin pointing toward Bremerton along the way.
Bremerton
| Road | Distance | Duration |
|---|---|---|
| I 5 | 32.6 mi | 41m |
| WA 16 | 12.5 mi | 15m |
| Key Peninsula Highway Northwest | 9 mi | 15m |
| Key Peninsula Highway Southwest | 3.7 mi | 6m |
| WA 302 | 3.3 mi | 5m |
| State Route 302 | 0.9 mi | 1m |
| Purdy Drive Northwest | 0.8 mi | 1m |
| Goldman Drive Northwest | 0.7 mi | 1m |
Step-by-step road directions between Seattle, WA and Longbranch, WA.
Start on this road
Turn left onto Madison Street
Turn right onto 4th Avenue
Turn right onto Spring Street
Take the ramp
Continue on I 5
Keep slight left at fork onto I 5
Keep slight right at fork onto I 5
Keep slight left at fork onto I 5
Keep slight left at fork onto I 5
Keep slight right at fork onto I 5
Take the exit
Keep slight left at fork
Merge onto WA 16
Take the exit
Turn straight onto WA 302
Turn left onto WA 302
Turn right onto Goldman Drive Northwest
At end of road, turn right onto WA 302
Turn straight onto Key Peninsula Highway Northwest
Continue on Key Peninsula Highway Southwest
Arrive at destination
With a drive time of just under 1.5 hours, this trip offers considerable flexibility, so there's no strict need to depart at a specific time. You have ample daylight to complete the 65.5 miles, and with only one recommended day, you can easily break it up if you wish, though it's not necessary. The fuel cost is estimated at $14, so keeping your tank topped off won't be a significant expense. A practical tip for this route: be mindful of potential traffic delays on I 5, especially during peak commute hours, as this can impact your 1h 34m estimate.
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.
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 14 miles or 18m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 32.8 miles or 42m 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 16m
Traffic, exits, and arrival timing usually matter more near Longbranch, WA than in the middle of the route.
Open the route before leaving Seattle, WA so your first major turns are already loaded.
Day 1
Settle into the route from Seattle, WA
This is one driving day of about 65.5 miles and 1h 34m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 32.8 mi from Seattle, WA · 42m into the drive
Mid-route town
Meal stop
33 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.
A short stop after about 14 miles helps settle the day before fatigue starts building.
The midpoint is around 32.8 miles from Seattle, WA, which is a good place for a longer meal and fuel stop.
The final approach into Longbranch, 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.
Regular Gas
$13.71 one way
$27.42 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.58 | $14.38 | $28.75 |
| premium | $5.77 | $14.87 | $29.75 |
| diesel | $5.61 | $14.46 | $28.92 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$14
Meals
$25–$50
Total
$39–$64
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 22.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $7 in charging · 0 stops · 65% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 19.7 | 0 | $6.88 | $3.14 |
| Efficient EV | 16.4 | 0 | $5.73 | $2.62 |
| EV Truck/SUV | 26.2 | 0 | $9.17 | $4.19 |
Gas CO2
23 kg
EV CO2
8 kg (65% 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.
Current conditions at both ends of the drive.
Origin
Late night in Seattle on Friday
Local time
4:53 AM
PDT
Current temp
56°F
Mostly Sunny
Destination
Late night in Longbranch on Friday
Local time
4:53 AM
PDT
Current temp
58°F
Unavailable
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.
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