How far is Langley, WA from Seattle, WA?
The driving distance from Langley, WA to Seattle, WA is about 35.6 miles (57.3 km), with a travel time of about 01h 08m by car.
- The straight-line flight distance is about 30.2 miles (48.6 km).
- For a round trip, plan for roughly 02h 17m 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 08m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Langley and Seattle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Langley and Seattle.
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1
Start on Cascade Avenue
1404 ft · 50 sec · Cascade Avenue
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2
Turn left onto Camano Avenue
2199 ft · 1 min · Camano Avenue
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3
Continue on Langley Road
2.9 mi · 5 min · Langley Road
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4
Turn left onto State Route 525
2.7 mi · 5 min · State Route 525
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5
Continue on 2
125 m · 9 sec · 2
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6
Turn right onto Ferry Dock
61 m · 11 sec · Ferry Dock
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7
Continue on Mukilteo-Clinton Ferry
3 mi · 20 min · Mukilteo-Clinton Ferry
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8
Continue straight
2190 ft · 2 min
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9
At the end of the road, turn left onto Mukilteo Speedway
1.9 mi · 5 min · Mukilteo Speedway
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10
Turn left onto 84th Street Southwest
2113 ft · 44 sec · 84th Street Southwest
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11
Turn right onto Paine Field Boulevard
1.3 km · 58 sec · Paine Field Boulevard
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12
Turn slight left onto Mukilteo Speedway
5.5 mi · 9 min · Mukilteo Speedway
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13
Take the exit slight right toward Seattle
1.1 km · 1 min
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14
Keep slight left to continue on I 5 South: Seattle
150 m · 12 sec
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15
Merge slight left
16.1 mi · 20 min
-
16
Take the exit slight right toward Union Street
897 ft · 25 sec
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17
Continue on Union Street
889 ft · 42 sec · Union Street
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18
Turn left onto 5th Avenue
1343 ft · 56 sec · 5th Avenue
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19
Turn right onto Madison Street
34 m · 9 sec · Madison Street
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20
Turn left
9 m · 2 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Langley and Seattle.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 5 South
Merge slight left
16.1 mi · 00h 20m
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 Langley 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 Langley to Seattle?
The road trip is about 35.6 miles (57.3 km) and usually takes 01h 08m 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?
Alderwood Manor is a useful midpoint, sitting about 18 miles from Langley and 17.6 miles from Seattle.
How much longer is the road route than the straight-line distance?
The direct path is about 30.2 miles (48.6 km), while the road route adds roughly 5.4 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 4:12 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.54 one way or $13.08 round trip. Estimated CO2 is about 11.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Langley and Mostly Sunny near Seattle.
Stop Ideas Near Alderwood Manor
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Alderwood Manor.
Edmonds station
Everett Station
Monroe, Washington
Seattle (Ferry - Pier 69), Washington
Flight Path Map
This map shows the direct air route between Langley and Seattle. Straight-line distance: 30.17 mi (48.56 km).
#1 Langley
City in British Columbia
| Population | 1,148 |
| Coordinates | 48.0400900, -122.4062600 |
| Altitude | 19 |
| 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: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $6.54 | $13.08 |
| Mid-grade | $5.57 | $6.96 | $13.92 |
| Premium | $5.77 | $7.21 | $14.43 |
| Diesel | $5.47 | $6.83 | $13.67 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.