How far is Seattle, WA from Marietta, WA?
The driving distance from Seattle, WA to Marietta, WA is about 95.8 miles (154.2 km), with a travel time of about 01h 59m by car.
- The straight-line flight distance is about 82.4 miles (132.6 km).
- For a round trip, plan for roughly 03h 58m 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 59m.
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 Seattle and Marietta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and Marietta.
-
1
Start on the route
9 m · 8 sec
-
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
-
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
91.4 mi · 1 hr 49 min
-
7
Take the exit slight right toward Bakerview Road, Bellingham International Airport
1449 ft · 43 sec · Exit 258 Bakerview Road / Bellingham International Airport
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8
Turn left onto West Bakerview Road
1409 ft · 36 sec · West Bakerview Road
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9
Continue on Airport Drive
1.3 km · 1 min · Airport Drive
-
10
Continue on Alderwood Avenue
1436 ft · 31 sec · Alderwood Avenue
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11
Turn right onto Marine Drive
2.1 mi · 5 min · Marine Drive
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12
Turn right onto Bayon Road
11 m · 2 sec · Bayon Road
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13
Arrive at your destination
0 m · 1 sec · Bayon Road
Car Route Details
A richer read on the saved driving route between Seattle and Marietta.
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
91.4 mi · 01h 49m
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 Marietta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to Marietta?
The road trip is about 95.8 miles (154.2 km) and usually takes 01h 59m 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?
Lake Ketchum is a useful midpoint, sitting about 47.9 miles from Seattle and 47.9 miles from Marietta.
How much longer is the road route than the straight-line distance?
The direct path is about 82.4 miles (132.6 km), while the road route adds roughly 13.4 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 2:32 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.37 one way or $36.74 round trip. Estimated CO2 is about 30 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Seattle and Mostly Sunny near Marietta.
Stop Ideas Near Lake Ketchum
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 Lake Ketchum.
Stanwood station
Skagit Transportation Center
Everett Station
Bellingham station
Flight Path Map
This map shows the direct air route between Seattle and Marietta. Straight-line distance: 82.39 mi (132.59 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 Marietta
Situated at an elevation of 10 feet along Bellingham Bay, this low-lying Whatcom County community is located near the outlet of the Nooksack River.
| Population | 0 |
| Coordinates | 48.7870500, -122.5804500 |
| Altitude | 3 |
| Country | United States |
End: Marietta (-122.58045, 48.78705)
Estimated Travel Time
Distance: 154 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 11m |
| 40 mph (64.37 km/h) | 02h 23m |
| 50 mph (80.47 km/h) | 01h 54m |
| 60 mph (96.56 km/h) | 01h 35m |
| 70 mph (112.65 km/h) | 01h 22m |
| 80 mph (129 km/h) | 01h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.44 | $18.37 | $36.74 |
| Mid-grade | $5.72 | $19.33 | $38.66 |
| Premium | $5.98 | $20.20 | $40.40 |
| Diesel | $7.29 | $24.65 | $49.29 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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