How far is Seattle, WA from Longbranch, WA?
The driving distance from Seattle, WA to Longbranch, WA is about 65.6 miles (105.5 km), with a travel time of about 01h 34m by car.
- The straight-line flight distance is about 33.9 miles (54.5 km).
- For a round trip, plan for roughly 03h 08m 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 34m.
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 Seattle and Longbranch.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and Longbranch.
-
1
Start on the route
9 m · 8 sec
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2
Turn left onto Madison Street
62 m · 11 sec · Madison Street
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3
Turn right onto 4th Avenue
94 m · 15 sec · 4th Avenue
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4
Turn right onto Spring Street
647 ft · 26 sec · Spring Street
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5
Take the ramp right toward I 5 South: Portland
1151 ft · 28 sec
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6
Continue straight
3180 ft · 1 min
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7
Keep slight left to continue on I 90 East, I 5 South: Bellevue, Portland
45 m · 2 sec
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8
Keep slight right to continue on I 5 South: Tacoma, Portland
589 ft · 8 sec
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9
Keep slight left to continue on Airport Way
93 m · 4 sec
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10
Keep slight left to continue on I 5 South: Sea-Tac Airport
30.4 mi · 38 min
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11
Keep slight right
1.3 mi · 2 min
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12
Take the exit slight right toward WA 16 West: Gig Harbor, Bremerton
3005 ft · 1 min
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13
Keep slight left to continue on WA 16 West: Union Avenue
2518 ft · 46 sec
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14
Merge slight left
12.5 mi · 16 min
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15
Take the exit slight right toward WA 302 West: Purdy Key Center
2681 ft · 1 min
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16
Turn straight onto Purdy Drive Northwest
1.4 km · 1 min · Purdy Drive Northwest
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17
Turn left onto State Route 302
1.5 km · 2 min · State Route 302
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18
Turn right onto Goldman Drive Northwest
1.1 km · 2 min · Goldman Drive Northwest
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19
At the end of the road, turn right
3.3 mi · 6 min
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20
Turn straight onto Key Peninsula Highway Northwest
9 mi · 16 min · Key Peninsula Highway Northwest
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21
Continue on Key Peninsula Highway Southwest
3.7 mi · 6 min · Key Peninsula Highway Southwest
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22
Arrive at your destination
0 m · 1 sec · Key Peninsula Highway Southwest
Car Route Details
A richer read on the saved driving route between Seattle and Longbranch.
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 South
Keep slight left to continue on I 5 South: Sea-Tac Airport
30.4 mi · 00h 38m
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 Seattle and Mostly Sunny near Longbranch.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to Longbranch?
The road trip is about 65.6 miles (105.5 km) and usually takes 01h 34m 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 Seattle and 32.8 miles from Longbranch.
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 31.7 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 3:22 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.55 one way or $25.11 round trip. Estimated CO2 is about 20.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Seattle and Mostly Sunny near Longbranch.
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 Seattle and Longbranch. Straight-line distance: 33.88 mi (54.52 km).
#1 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 |
#2 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 |
End: Longbranch (-122.7568, 47.20898)
Estimated Travel Time
Distance: 105 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 18m |
| 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 | $12.55 | $25.11 |
| Mid-grade | $5.72 | $13.21 | $26.42 |
| Premium | $5.98 | $13.81 | $27.61 |
| Diesel | $7.29 | $16.84 | $33.69 |
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