How far is Mountlake Terrace, WA from John Sam Lake, WA?
The driving distance from Mountlake Terrace, WA to John Sam Lake, WA is about 29.8 miles (47.9 km), with a travel time of about 00h 44m by car.
- The straight-line flight distance is about 22.4 miles (36 km).
- For a round trip, plan for roughly 01h 28m 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 44m.
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.
The most populous city in Snohomish County, Washington.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Mountlake Terrace and John Sam Lake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mountlake Terrace and John Sam Lake.
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1
Start on the route
22 m · 10 sec
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2
Turn left onto 56th Avenue West
1.3 km · 2 min · 56th Avenue West
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3
Turn left onto 220th Street Southwest
1240 ft · 42 sec · 220th Street Southwest
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4
Take the ramp right toward I 5 North
2145 ft · 52 sec
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5
Merge slight left
22.5 mi · 28 min
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6
Take the exit slight right toward 116th Street Northeast
934 ft · 23 sec
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7
Keep slight left to continue on 116th Street Northeast, State Patrol
704 ft · 22 sec
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8
Turn left onto 116th Street Northeast
611 ft · 13 sec · 116th Street Northeast
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9
Turn slight right onto 34th Avenue Northeast
33 m · 6 sec
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10
Turn straight onto 34th Avenue Northeast
2370 ft · 59 sec · 34th Avenue Northeast
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11
Enter the roundabout and take exit 1 toward 34th Avenue Northeast
6 m · 1 sec · 34th Avenue Northeast
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12
Exit the roundabout onto 34th Avenue Northeast
1.4 km · 2 min · 34th Avenue Northeast
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13
At the end of the road, turn left onto Stimson Road
1854 ft · 45 sec · Stimson Road
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14
Continue on 140th Street Northeast
2.7 mi · 6 min · 140th Street Northeast
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15
Turn left onto 12th Avenue Northwest
1.2 km · 2 min · 12th Avenue Northwest
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16
Continue on 12th Avenue Northwest
1045 ft · 27 sec · 12th Avenue Northwest
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17
Turn left onto 125th Place Northwest
599 ft · 27 sec · 125th Place Northwest
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18
Turn right
21 m · 5 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mountlake Terrace and John Sam 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 left
22.5 mi · 00h 28m
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.
Chance Light Rain leaving Mountlake Terrace and Mostly Cloudy near John Sam Lake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mountlake Terrace to John Sam Lake?
The road trip is about 29.8 miles (47.9 km) and usually takes 00h 44m 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?
Everett is a useful midpoint, sitting about 14.9 miles from Mountlake Terrace and 14.9 miles from John Sam Lake.
How much longer is the road route than the straight-line distance?
The direct path is about 22.4 miles (36 km), while the road route adds roughly 7.4 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:02 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.49 one way or $10.99 round trip. Estimated CO2 is about 9.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Mountlake Terrace and Mostly Cloudy near John Sam Lake.
Stop Ideas Near Everett
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 Everett.
Everett Station
Monroe, Washington
Monroe (Eastbound), WA
Edmonds station
Flight Path Map
This map shows the direct air route between Mountlake Terrace and John Sam Lake. Straight-line distance: 22.38 mi (36.01 km).
#1 Mountlake Terrace
City in Snohomish County, Washington, United States
| Population | 21,315 |
| Coordinates | 47.7881500, -122.3087400 |
| Altitude | 140 |
| Country | United States |
#2 John Sam Lake
John Sam Lake is a place in Washington, United States.
| Population | 0 |
| Coordinates | 48.1092600, -122.2459800 |
| Altitude | 166 |
| Country | United States |
End: John Sam Lake (-122.24598, 48.10926)
Estimated Travel Time
Distance: 48 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 59m |
| 40 mph (64.37 km/h) | 00h 44m |
| 50 mph (80.47 km/h) | 00h 35m |
| 60 mph (96.56 km/h) | 00h 29m |
| 70 mph (112.65 km/h) | 00h 25m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $5.49 | $10.99 |
| Mid-grade | $5.57 | $5.85 | $11.69 |
| Premium | $5.77 | $6.06 | $12.12 |
| Diesel | $5.47 | $5.74 | $11.48 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.