How far is La Grande, OR from Lake Oswego, OR?
The driving distance from La Grande, OR to Lake Oswego, OR is about 266.4 miles (428.8 km), with a travel time of about 04h 25m by car.
- The straight-line flight distance is about 222.5 miles (358.1 km).
- For a round trip, plan for roughly 08h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 25m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Light Snow
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between La Grande and Lake Oswego.
Turn-by-Turn Driving Directions
Step-by-step road directions between La Grande and Lake Oswego.
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1
Start on Adams Avenue
1.4 mi · 3 min · Adams Avenue
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2
Continue on La Grande-Baker Highway
2661 ft · 53 sec · La Grande-Baker Highway
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3
Take the ramp straight
1783 ft · 44 sec
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4
Merge slight right onto Old Oregon Trail Highway
90.9 mi · 1 hr 39 min · Old Oregon Trail Highway
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5
Continue on Columbia River Highway
158.3 mi · 2 hr 56 min · Columbia River Highway
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6
Continue on Banfield Freeway
6.8 mi · 9 min · Banfield Freeway
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7
Keep slight left to continue on I 5 South: Salem, OMSI, City Center
1906 ft · 32 sec
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8
Keep slight left to continue on I 5 South: Beaverton, Salem
80 m · 5 sec
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9
Merge slight left
1.6 mi · 2 min
-
10
Take the exit slight right toward OR 43: Lake Oswego
1101 ft · 24 sec
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11
Turn straight onto South Hood Avenue
3.3 mi · 7 min · South Hood Avenue
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12
Continue on South Riverside Drive
2.2 mi · 4 min · South Riverside Drive
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13
Continue on North State Street
1511 ft · 53 sec · North State Street
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14
Turn right onto B Avenue
2111 ft · 1 min · B Avenue
-
15
Turn left
80 m · 19 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between La Grande and Lake Oswego.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Columbia River Highway
Continue on Columbia River Highway
158 mi · 02h 56m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Light Snow leaving La Grande and Chance Rain Showers near Lake Oswego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from La Grande to Lake Oswego?
The road trip is about 266.4 miles (428.8 km) and usually takes 04h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Arlington is a useful midpoint, sitting about 133 miles from La Grande and 133.4 miles from Lake Oswego.
How much longer is the road route than the straight-line distance?
The direct path is about 222.5 miles (358.1 km), while the road route adds roughly 43.9 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 8:10 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.54 one way or $93.08 round trip. Estimated CO2 is about 83.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Snow around La Grande and Chance Rain Showers near Lake Oswego.
Stop Ideas Near Arlington
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 Arlington.
Wishram
The Dalles, Oregon
Bingen – White Salmon
Hood River, Oregon
Flight Path Map
This map shows the direct air route between La Grande and Lake Oswego. Straight-line distance: 222.51 mi (358.1 km).
#1 La Grande
City in Oregon, USA
| Population | 13,399 |
| Coordinates | 45.3245800, -118.0877200 |
| Altitude | 846 |
| 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: 429 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 52m |
| 40 mph (64.37 km/h) | 06h 39m |
| 50 mph (80.47 km/h) | 05h 19m |
| 60 mph (96.56 km/h) | 04h 26m |
| 70 mph (112.65 km/h) | 03h 48m |
| 80 mph (129 km/h) | 03h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $46.54 | $93.08 |
| Mid-grade | $5.34 | $50.18 | $100.35 |
| Premium | $5.57 | $52.32 | $104.64 |
| Diesel | $6.37 | $59.84 | $119.68 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.