How far is Troutdale, OR from Lake Oswego, OR?
The driving distance from Troutdale, OR to Lake Oswego, OR is about 23.7 miles (38.1 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 16 miles (25.7 km).
- For a round trip, plan for roughly 01h 09m 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 34m.
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.
City in Oregon, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain And Snow then Showers And Thunderstorms
Chance Rain And Snow then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Troutdale and Lake Oswego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troutdale and Lake Oswego.
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1
Start on Southeast 3rd Street
83 m · 14 sec · Southeast 3rd Street
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2
Turn right onto South Buxton Road
159 m · 16 sec · South Buxton Road
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3
At the end of the road, turn left onto West Historic Columbia River Highway
573 ft · 29 sec · West Historic Columbia River Highway
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4
Turn right onto Graham Road
1968 ft · 48 sec · Graham Road
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5
Turn straight onto Northwest North Frontage Road
2241 ft · 50 sec · Northwest North Frontage Road
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6
Take the ramp straight toward I 84 West, US 30 West: Portland
1346 ft · 19 sec
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7
Merge slight left onto Columbia River Highway
7.1 mi · 9 min · Columbia River Highway
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8
Continue on Banfield Freeway
6.8 mi · 9 min · Banfield Freeway
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9
Keep slight left to continue on I 5 South: Salem, OMSI, City Center
1906 ft · 32 sec
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10
Keep slight left to continue on I 5 South: Beaverton, Salem
80 m · 5 sec
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11
Merge slight left onto Purple Heart Trail
1.6 mi · 2 min · Purple Heart Trail
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12
Take the exit slight right toward OR 43: Lake Oswego
1101 ft · 24 sec
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13
Turn straight onto South Hood Avenue
3.3 mi · 7 min · South Hood Avenue
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14
Continue on South Riverside Drive
2.2 mi · 4 min · South Riverside Drive
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15
Continue on North State Street
1511 ft · 53 sec · North State Street
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16
Turn right onto B Avenue
2111 ft · 1 min · B Avenue
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17
Turn left
80 m · 19 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Troutdale and Lake Oswego.
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.
Columbia River Highway
Merge slight left onto Columbia River Highway
7.12 mi · 00h 09m
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 Rain And Snow then Showers And Thunderstorms leaving Troutdale and Chance Rain And Snow then Showers And Thunderstorms near Lake Oswego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Troutdale to Lake Oswego?
The road trip is about 23.7 miles (38.1 km) and usually takes 00h 34m 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?
Maywood Park is a useful midpoint, sitting about 11.8 miles from Troutdale and 11.9 miles from Lake Oswego.
How much longer is the road route than the straight-line distance?
The direct path is about 16 miles (25.7 km), while the road route adds roughly 7.7 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 7:20 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.11 one way or $8.22 round trip. Estimated CO2 is about 7.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain And Snow then Showers And Thunderstorms around Troutdale and Chance Rain And Snow then Showers And Thunderstorms near Lake Oswego.
Stop Ideas Near Maywood Park
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Powell's City of Books
City of Portland: Archives and Records Management
Lake Oswego Fire Dept. Station 214
Oregon-Washington Bridge
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Maywood Park.
Portland, OR
Union Station
Vancouver station
Oregon City station
Flight Path Map
This map shows the direct air route between Troutdale and Lake Oswego. Straight-line distance: 15.99 mi (25.73 km).
#1 Troutdale
City in Oregon, USA
| Population | 16,403 |
| Coordinates | 45.5392900, -122.3873100 |
| Altitude | 39 |
| Country | United States |
#2 Lake Oswego
A city in Clackamas County, Oregon.
| Population | 39,821 |
| Coordinates | 45.4206700, -122.6706500 |
| Altitude | 55 |
| Country | United States |
End: (-122.670933, 45.420701)
Estimated Travel Time
Distance: 38 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 47m |
| 40 mph (64.37 km/h) | 00h 35m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $4.11 | $8.22 |
| Mid-grade | $5.34 | $4.43 | $8.86 |
| Premium | $5.57 | $4.62 | $9.24 |
| Diesel | $6.37 | $5.28 | $10.57 |
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 Oregon · Apr 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.