How far is Seattle, WA from Martha Lake, WA?
The driving distance from Seattle, WA to Martha Lake, WA is about 19.5 miles (31.4 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 17.5 miles (28.1 km).
- For a round trip, plan for roughly 00h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Town 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 Martha Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seattle and Martha 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
17.5 mi · 22 min
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7
Take the exit slight right toward 164th Street Southwest
2282 ft · 56 sec
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8
Keep slight right to continue on 164th Street Southwest, Mill Creek
75 m · 7 sec
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9
Turn straight onto 164th Street Southwest
1 km · 2 min · 164th Street Southwest
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10
Turn left
110 m · 16 sec
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11
Turn right onto East Shore Drive
109 m · 12 sec · East Shore Drive
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12
Turn right onto Pitner Drive
130 m · 19 sec · Pitner Drive
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13
Arrive at your destination
0 m · 1 sec · Pitner Drive
Car Route Details
A richer read on the saved driving route between Seattle and Martha Lake.
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 North
Merge slight right
17.5 mi · 00h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Seattle and Mostly Sunny near Martha Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seattle to Martha Lake?
The road trip is about 19.5 miles (31.4 km) and usually takes 00h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Shoreline is a useful midpoint, sitting about 9.8 miles from Seattle and 9.8 miles from Martha Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 17.5 miles (28.1 km), while the road route adds roughly 2 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.61 one way or $7.22 round trip. Estimated CO2 is about 6.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Seattle and Mostly Sunny near Martha Lake.
Stop Ideas Near Shoreline
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 Shoreline.
Edmonds station
Seattle (Ferry - Pier 69), Washington
King Street Station
Everett Station
Flight Path Map
This map shows the direct air route between Seattle and Martha Lake. Straight-line distance: 17.45 mi (28.08 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 Martha Lake
Census designated place
| Population | 15,473 |
| Coordinates | 47.8509300, -122.2393000 |
| Altitude | 143 |
| Country | United States |
End: Martha Lake (-122.2393, 47.85093)
Estimated Travel Time
Distance: 31 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 38m |
| 40 mph (64.37 km/h) | 00h 29m |
| 50 mph (80.47 km/h) | 00h 23m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $3.61 | $7.22 |
| Mid-grade | $5.57 | $3.84 | $7.68 |
| Premium | $5.77 | $3.98 | $7.96 |
| Diesel | $5.47 | $3.77 | $7.54 |
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.