How far is Lake Oswego, OR from Portland, OR?

The driving distance from Lake Oswego, OR to Portland, OR is about 9.9 miles (15.9 km), with a travel time of about 00h 20m by car.

  • The straight-line flight distance is about 7.1 miles (11.4 km).
  • For a round trip, plan for roughly 00h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
9.89 mi
00h 20m
Flight
7.11 mi
11.44 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Lake Oswego.

Flight Distance

Direct air line
7.11 mi
Kilometers
11.44 km
Flight Time

Driving Distance

Road route
9.89 mi
Kilometers
15.92 km
Drive Time
00h 20m

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 20m.

Arrival Snapshot
Arrive in Portland
Sat, May 2, 1:06 PM PDT
Return by in Lake Oswego
Sat, May 2, 1:27 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lake Oswego
2026-05-02T12:46
Arrive Portland
Sat, May 2, 1:06 PM PDT
Route Timing
00h 20m
One way by road
Best Departure Window
7:00 AM to 7:00 PM PDT
Leave when it suits your day
Arrive between
7:20 AM to 7:20 PM PDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:50 PM PDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Lake Oswego
10:00 PM PDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Milwaukie
OR

City in Oregon, United State

From Lake Oswego
4.9 mi
00h 10m
To Portland
5 mi
00h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Today

Partly Sunny

Starts
Sat, May 2 8:00 AM PDT
Wind
5 mph N
Destination
74°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM PDT
Wind
2 to 9 mph N

Driving Route Map

The map below follows the saved road route between Lake Oswego and Portland.

Turn-by-Turn Driving Directions

Step-by-step road directions between Lake Oswego and Portland.

  1. 1

    Start on the route

    28 m · 9 sec

  2. 2

    Turn right

    48 m · 17 sec

  3. 3

    Turn left onto Sixth Street

    53 m · 10 sec · Sixth Street

  4. 4

    Turn right onto B Avenue

    1952 ft · 1 min · B Avenue

  5. 5

    At the end of the road, turn left onto North State Street

    1509 ft · 52 sec · North State Street

  6. 6

    Turn left onto Southwest Terwilliger Boulevard

    1.1 km · 1 min · Southwest Terwilliger Boulevard

  7. 7

    Continue on South Terwilliger Boulevard

    1.6 mi · 3 min · South Terwilliger Boulevard

  8. 8

    Enter the roundabout and take exit 2 toward South Terwilliger Boulevard

    38 m · 3 sec · South Terwilliger Boulevard

  9. 9

    Exit the roundabout onto South Terwilliger Boulevard

    60 m · 5 sec · South Terwilliger Boulevard

  10. 10

    Continue on Southwest Terwilliger Boulevard

    1.4 mi · 3 min · Southwest Terwilliger Boulevard

  11. 11

    Take the ramp slight right toward I 5 North

    1847 ft · 47 sec

  12. 12

    Merge slight left onto Terwilliger Curves

    2.2 mi · 3 min · Terwilliger Curves

  13. 13

    Keep slight left to continue on Stadium Freeway

    2.1 mi · 3 min · Stadium Freeway

  14. 14

    Take the exit slight right toward Everett Street, Glisan Street

    906 ft · 30 sec

  15. 15

    Turn right onto Northwest Everett Street

    1723 ft · 1 min · Northwest Everett Street

  16. 16

    Turn right onto Northwest 8th Avenue

    159 m · 28 sec · Northwest 8th Avenue

  17. 17

    Turn left onto Northwest Couch Street

    615 ft · 32 sec · Northwest Couch Street

  18. 18

    Turn right

    34 m · 8 sec

  19. 19

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Lake Oswego and Portland.

OSRM road route
Drive Character

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.

Directions
19 steps
11 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
191.9 / 100 mi
Decision points by distance
Main Roads
Terwilliger Curves
2.2 mi · 22%
Stadium Freeway
2.11 mi · 21%
Southwest Terwilliger Boulevard
2.05 mi · 21%
South Terwilliger Boulevard
1.62 mi · 16%
B Avenue
0.37 mi · 4%
I 5 North
0.35 mi · 4%
Longest Stretch

Terwilliger Curves

Merge slight left onto Terwilliger Curves

2.2 mi · 00h 03m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 20m
Quick drive
Same-Day Return
00h 40m
Round-trip wheel time
Road vs Air
+2.8 mi
7.1 mi direct line
Halfway Stop
Milwaukie
00h 10m from Lake Oswego
Leave By
7:50 PM PDT
Flexible departure
Weather Watch

Partly Sunny leaving Lake Oswego and Mostly Sunny near Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Lake Oswego to Portland?

The road trip is about 9.9 miles (15.9 km) and usually takes 00h 20m 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?

Milwaukie is a useful midpoint, sitting about 4.9 miles from Lake Oswego and 5 miles from Portland.

How much longer is the road route than the straight-line distance?

The direct path is about 7.1 miles (11.4 km), while the road route adds roughly 2.8 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 7:50 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $1.73 one way or $3.47 round trip. Estimated CO2 is about 3.1 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Lake Oswego and Mostly Sunny near Portland.

Stop Ideas Near Milwaukie

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Milwaukie and the surrounding midpoint area.
Powell's City of Books
Scenic stop 3.6 mi away

Powell's City of Books

Portland , OR
1005 W Burnside St, Portland, OR 97209, United States
Rating 4.9/5 26,171 reviews Tourist attraction,Rare book store,Book store,Used book store
City of Portland: Archives and Records Management
Meeting point 2.9 mi away

City of Portland: Archives and Records Management

Portland , OR
1800 SW 6th Ave #550, Portland, OR 97201, United States
Rating 5.0/5 3 reviews Government office
Stop photo coming soon
Nearby stop 3.5 mi away

Lake Oswego Fire Dept. Station 214

Lake Oswego , OR
300 B Ave, Lake Oswego, OR 97034, United States
Rating 5.0/5 3 reviews Fire station
Oregon-Washington Bridge
Scenic stop 10.2 mi away

Oregon-Washington Bridge

Vancouver , WA
I-5 Bridge, I-5, Vancouver, WA 98660
Rating 5.0/5 1 reviews Tourist attraction

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Milwaukie.

BUS

Portland, OR

9 mi away
550 NW 6th Avenue
RAIL

Union Station

10 mi away
800 NW Sixth Ave.
RAIL

Oregon City station

10 mi away
1757 Washington Street
RAIL

Vancouver station

21 mi away
1301 West 11th Street

Flight Path Map

This map shows the direct air route between Lake Oswego and Portland. Straight-line distance: 7.11 mi (11.44 km).

Lake Oswego

#1 Lake Oswego

A city in Clackamas County, Oregon.

Population39,821
Coordinates45.4206700, -122.6706500
Altitude55
CountryUnited States
Portland

#2 Portland

The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area.

Population656,751
Coordinates45.5234500, -122.6762100
Altitude12
CountryUnited States
Start: (-122.670933, 45.420701)
End: (-122.676082, 45.523482)

Estimated Travel Time

Distance: 16 km by road

SpeedTime
30 mph (48.3 km/h)00h 19m
40 mph (64.37 km/h)00h 14m
50 mph (80.47 km/h)00h 11m
60 mph (96.56 km/h)00h 09m
70 mph (112.65 km/h)00h 08m
80 mph (129 km/h)00h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.35 gal
1.32 L · about $1.73
Round trip
$3.47
0.7 gal · 2.64 L
Estimated CO2
3.1 kg one way
Round trip: 6.2 kg / 14 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $1.73 $3.47
Mid-grade $5.34 $1.87 $3.74
Premium $5.57 $1.95 $3.90
Diesel $6.37 $2.23 $4.46

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 · May 02, 2026

There is no time difference between Lake Oswego and Portland. The current time is 12:46:21.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.