How far is Seattle, WA from Big Lake, WA?
The driving distance from Seattle, WA to Big Lake, WA is about 66.5 miles (107.1 km), with a travel time of about 01h 26m by car.
- The straight-line flight distance is about 55.2 miles (88.8 km).
- For a round trip, plan for roughly 02h 53m 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 26m.
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 most populous city in Snohomish County, Washington.
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 Seattle and Big Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and Big Lake.
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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
916 ft · 39 sec · 4th Avenue
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4
Turn right onto University Street
653 ft · 26 sec · University Street
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5
Take the ramp straight toward I 5 North
1631 ft · 42 sec
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6
Merge slight right
60.2 mi · 1 hr 12 min
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7
Take the exit slight right toward WA 536 West: Kincaid Street
1007 ft · 25 sec
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8
Turn sharp right onto Broad Street
2481 ft · 1 min · Broad Street
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9
Turn left onto South 15th Street
1968 ft · 58 sec · South 15th Street
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10
Turn right onto East Division Street
1.6 mi · 4 min · East Division Street
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11
Enter the roundabout and take exit 2 toward East Division Street
23 m · 2 sec · East Division Street
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12
Exit the roundabout onto East Division Street
1.3 km · 2 min · East Division Street
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13
Continue on Mount Vernon Big Lake Road
1.2 km · 2 min · Mount Vernon Big Lake Road
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14
At the end of the road, turn right onto State Route 9
1.5 mi · 2 min · State Route 9
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15
Arrive at your destination
0 m · 1 sec · State Route 9
Car Route Details
A richer read on the saved driving route between Seattle and Big Lake.
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
Merge slight right
60.2 mi · 01h 12m
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.
Sunny leaving Seattle and Mostly Sunny near Big Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to Big Lake?
The road trip is about 66.5 miles (107.1 km) and usually takes 01h 26m 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?
Marysville is a useful midpoint, sitting about 33.2 miles from Seattle and 33.3 miles from Big Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 55.2 miles (88.8 km), while the road route adds roughly 11.3 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 3:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.77 one way or $25.54 round trip. Estimated CO2 is about 20.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Seattle and Mostly Sunny near Big Lake.
Stop Ideas Near Marysville
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 Marysville.
Everett Station
Stanwood station
Monroe, Washington
Monroe (Eastbound), WA
Flight Path Map
This map shows the direct air route between Seattle and Big Lake. Straight-line distance: 55.2 mi (88.84 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 Big Lake
Located east of Mount Vernon in Skagit County, this residential community surrounds its namesake body of water in the low-lying foothills of the Cascade Range.
| Population | 0 |
| Coordinates | 48.4028800, -122.2412700 |
| Altitude | 28 |
| Country | United States |
End: Big Lake (-122.24127, 48.40288)
Estimated Travel Time
Distance: 107 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 13m |
| 40 mph (64.37 km/h) | 01h 39m |
| 50 mph (80.47 km/h) | 01h 19m |
| 60 mph (96.56 km/h) | 01h 06m |
| 70 mph (112.65 km/h) | 00h 57m |
| 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 | $12.77 | $25.54 |
| Mid-grade | $5.72 | $13.44 | $26.88 |
| Premium | $5.98 | $14.05 | $28.09 |
| Diesel | $7.29 | $17.14 | $34.27 |
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