How far is Longbranch, WA from Seattle, WA?
The driving distance from Longbranch, WA to Seattle, WA is about 65.9 miles (106 km), with a travel time of about 01h 20m by car.
- The straight-line flight distance is about 33.9 miles (54.5 km).
- For a round trip, plan for roughly 02h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 20m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The third most populous city in Washington.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Longbranch and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Longbranch and Seattle.
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1
Start on Key Peninsula Highway Southwest
3.7 mi · 6 min · Key Peninsula Highway Southwest
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2
Continue on Key Peninsula Highway Northwest
9 mi · 16 min · Key Peninsula Highway Northwest
-
3
Continue straight
3.3 mi · 6 min
-
4
Turn left onto Goldman Drive Northwest
1.1 km · 2 min · Goldman Drive Northwest
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5
At the end of the road, turn left
1.4 km · 2 min
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6
Turn straight
145 m · 10 sec
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7
Turn straight onto Purdy Drive Northwest
1.3 km · 1 min · Purdy Drive Northwest
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8
Take the ramp straight toward WA 16 East
1834 ft · 47 sec
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9
Merge slight right
13.1 mi · 17 min
-
10
Keep slight left
1.5 km · 2 min
-
11
Keep slight left to continue on I 5 North: Seattle
683 ft · 17 sec
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12
Merge slight left
1356 ft · 19 sec
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13
Keep slight right
31.9 mi · 40 min
-
14
Take the exit slight left toward Seneca Street
1359 ft · 36 sec
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15
Turn left onto Seneca Street
98 m · 18 sec · Seneca Street
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16
Turn left onto 5th Avenue
615 ft · 27 sec · 5th Avenue
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17
Turn right onto Madison Street
34 m · 9 sec · Madison Street
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18
Turn left
9 m · 2 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Longbranch and Seattle.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 5 North
Keep slight right
31.9 mi · 00h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Longbranch and Mostly Sunny near Seattle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Longbranch to Seattle?
The road trip is about 65.9 miles (106 km) and usually takes 01h 20m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Tacoma is a useful midpoint, sitting about 32.7 miles from Longbranch and 33.1 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 33.9 miles (54.5 km), while the road route adds roughly 32 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 3:50 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.61 one way or $25.22 round trip. Estimated CO2 is about 20.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Longbranch and Mostly Sunny near Seattle.
Stop Ideas Near Tacoma
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old City Hall Tacoma
Auburn Building Permits
Lakewood City Hall
Auburn Community & Event Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Tacoma.
Tacoma Dome Station
Tukwila station
Centennial Station
King Street Station
Flight Path Map
This map shows the direct air route between Longbranch and Seattle. Straight-line distance: 33.88 mi (54.52 km).
#1 Longbranch
Situated on the southern end of the Key Peninsula in Pierce County, this unincorporated community lies along the shores of Puget Sound at an elevation of roughly 30 feet.
| Population | 0 |
| Coordinates | 47.2089800, -122.7568000 |
| Altitude | 9 |
| Country | United States |
#2 Seattle
The eighteenth most populous city in the United States and the center of the Seattle metropolitan area.
| Population | 769,714 |
| Coordinates | 47.6062100, -122.3320700 |
| Altitude | 56 |
| Country | United States |
End: (-122.332143, 47.606309)
Estimated Travel Time
Distance: 106 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 11m |
| 40 mph (64.37 km/h) | 01h 38m |
| 50 mph (80.47 km/h) | 01h 19m |
| 60 mph (96.56 km/h) | 01h 05m |
| 70 mph (112.65 km/h) | 00h 56m |
| 80 mph (129 km/h) | 00h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $12.61 | $25.22 |
| Mid-grade | $5.72 | $13.27 | $26.54 |
| Premium | $5.98 | $13.87 | $27.73 |
| Diesel | $7.29 | $16.92 | $33.83 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Washington · Oct 15, 2026