Origin
Portland, OR
Late night in Portland on Sunday
Local time
3:22 AM
PDT
Current temp
45°F
Unavailable
Live forecast
Trip from Portland, OR to Lake Oswego, OR
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
20m
Distance
9.9 mi
16 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 19m
★
6 AM
0h 21m
8 AM
0h 24m
10 AM
0h 22m
12 PM
0h 21m
3 PM
0h 22m
5 PM
0h 24m
8 PM
0h 19m
★
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Lake Oswego, OR
Wikimedia Commons
Trip Overview
Portland, OR to Lake Oswego, OR is 9.9 miles and takes about 20m via Southwest Terwilliger Boulevard and I 5, with a fuel budget near $2 and enough daylight to finish in a day. This short journey connects two points within the Pacific Coast region, staying within Oregon. The drive offers a mixed experience, blending city streets with highway travel. It's an ideal quick trip for a local excursion or a brief leg of a longer adventure, easily completed within a few hours. You'll find the route straightforward, with minimal time commitment required.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Southwest Terwilliger Boulevard | 2.3 mi | 4m |
| I 5 | 2.3 mi | 3m |
| South Terwilliger Boulevard | 1.6 mi | 2m |
| Stadium Freeway | 1.5 mi | 2m |
| B Avenue | 0.4 mi | 1m |
| Northwest Couch Street | 0.4 mi | 1m |
| North State Street | 0.3 mi | <1m |
| Northwest 13th Avenue | 0.3 mi | 1m |
Longest stretch:
Southwest Terwilliger Boulevard
— 2.3 mi, about 4m
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland, OR and Lake Oswego, OR.
1
Start on this road
110 ft
·
13 sec
·
this road
2
Turn left onto Northwest Couch Street
0.4 mi
·
1 min
·
Northwest Couch Street
3
Turn left onto Northwest 13th Avenue
0.3 mi
·
1 min
·
Northwest 13th Avenue
4
Turn right onto Southwest Taylor Street
29 ft
·
1 sec
·
Southwest Taylor Street
5
Take the ramp
0.5 mi
·
44 sec
Toward I 405 South
Use the straight / slight left lanes.
6
Merge onto I 405
1.5 mi
·
2 min
·
Stadium Freeway
Use the straight / slight right lanes.
7
Merge onto I 5
2.3 mi
·
3 min
·
I 5
8
Take the exit
0.2 mi
·
22 sec
Exit 297
Toward Terwilliger Boulevard
Use the straight / slight right lanes.
9
Keep slight right at fork
353 ft
·
10 sec
Toward Terwilliger Boulevard, Lewis and Clark College, Veterans Affairs Hospital
Use the straight / left / right lanes.
10
Turn right onto OR 99W
374 ft
·
9 sec
·
Southwest Barbur Boulevard
11
Turn right onto Southwest Terwilliger Boulevard
1.6 mi
·
3 min
·
Southwest Terwilliger Boulevard
12
Enter roundabout onto South Terwilliger Boulevard
89 ft
·
2 sec
·
South Terwilliger Boulevard
13
Continue on South Terwilliger Boulevard
1.6 mi
·
2 min
·
South Terwilliger Boulevard
14
Continue on Southwest Terwilliger Boulevard
0.6 mi
·
1 min
·
Southwest Terwilliger Boulevard
15
Turn right onto OR 43
0.3 mi
·
53 sec
·
North State Street
16
Turn right onto B Avenue
0.4 mi
·
1 min
·
B Avenue
17
Turn left
264 ft
·
19 sec
18
Arrive at destination
Heads-up: tricky spots
5 of 125 decision points cluster between mile 0.7 and 5.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.7 mi into trip
|
~3m in
|
Southwest Taylor Street
Turn right onto Southwest Taylor Street
Navigation decision point
5
0.7 mi into trip
|
~3m in
Take the ramp toward I 405 South
Lane positioning matters here
Use the straight / slight left lanes.
Toward I 405 South
5
1.2 mi into trip
|
~4m in
|
I 405 / Stadium Freeway
Merge onto I 405 / Stadium Freeway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
4.9 mi into trip
|
~9m in
Take the exit toward Terwilliger Boulevard
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 297
Toward Terwilliger Boulevard
9
5.1 mi into trip
|
~10m in
Keep slight right at fork toward Terwilliger Boulevard, Lewis and Clark College, Veterans Affairs Hospital
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / left / right lanes.
Toward Terwilliger Boulevard, Lewis and Clark C...
Fuel & Cost
Regular Gas
$1.97 one way
$3.94 round trip
$5.06/gal
25.4 MPG avg
4 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.36 | $2.09 | $4.17 |
| premium | $5.59 | $2.18 | $4.36 |
| diesel | $5.61 | $2.19 | $4.37 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 3.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 3 | 0 | $1.04 | $0.48 |
| Efficient EV | 2.5 | 0 | $0.87 | $0.40 |
| EV Truck/SUV | 4 | 0 | $1.39 | $0.63 |
Gas CO2
3 kg
EV CO2
1 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Lake Oswego, OR
Late night in Lake Oswego on Sunday
Local time
3:22 AM
PDT
Current temp
60°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
15 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
20m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
This drive presents a varied road experience, with 38% of it being highway. You'll navigate through a mix of urban and suburban environments. The longest continuous stretch you'll encounter is 2.3 miles along Southwest Terwilliger Boulevard. As you progress, the road transitions from more local thoroughfares to faster sections on I 5 before reaching your destination. Expect a dynamic drive that keeps you engaged without being overly challenging.
38% highway, the rest on surface roads — varied driving throughout.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 2.3 mi on Southwest Terwilliger Boulevard.
How Hard Is This Drive?
7/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.7 miles in near Southwest Taylor Street.
Driving Effort
7/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 12 decision points packed into just 9.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 20m.
Where does it get tricky?
The main spots that need attention: at 0.7 miles (Southwest Taylor Street): Navigation decision point; at 0.7 miles: Lane positioning matters here; at 1.2 miles (I 405 / Stadium Freeway): Merge point - match speed before joining. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Portland, OR and Lake Oswego, OR, road signs point toward Lewis And Clark College and Veterans Affairs Hospital.
Lewis And Clark College
5.1 mi in
|
~10m
Veterans Affairs Hospital
5.1 mi in
|
~10m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 20m. Total distance: 9.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
20m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (38%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile.
Frequently Asked Questions
The longest stretch is about 2.3 miles on Southwest Terwilliger Boulevard. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Lake Oswego, OR before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.7 miles (Southwest Taylor Street): Navigation decision point; at 0.7 miles: Lane positioning matters here; at 1.2 miles (I 405 / Stadium Freeway): Merge point - match speed before joining. Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Lake Oswego, OR before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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