How far is Altamont, OR from Lake Oswego, OR?
The driving distance from Altamont, OR to Lake Oswego, OR is about 276.6 miles (445.1 km), with a travel time of about 04h 49m by car.
- The straight-line flight distance is about 226.9 miles (365.1 km).
- For a round trip, plan for roughly 09h 39m 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 49m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Altamont and Lake Oswego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Altamont and Lake Oswego.
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1
Start on Crater Lake Parkway
33 m · 8 sec · Crater Lake Parkway
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2
Continue on Crater Lake Parkway
4.6 mi · 7 min · Crater Lake Parkway
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3
Continue on The Dalles-California Highway
77.3 mi · 1 hr 31 min · The Dalles-California Highway
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4
Take the exit slight left toward OR 58 West: Oakridge, Eugene
4.5 mi · 7 min · State Highway 58
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5
Continue on Williamette Highway
12 mi · 16 min · Williamette Highway
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6
Continue on State Highway 58
32.9 mi · 45 min · State Highway 58
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7
Continue on Highway 58
3 mi · 6 min · Highway 58
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8
Continue on State Highway 58
1.1 km · 58 sec · State Highway 58
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9
Turn right onto Westfir-Oakridge Road
1.3 mi · 2 min · Westfir-Oakridge Road
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10
Turn left onto Westfir Road
2480 ft · 49 sec · Westfir Road
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11
Turn right onto OR 58
23.4 mi · 32 min · OR 58
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12
Continue on Highway 58
5.6 mi · 9 min · Highway 58
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13
Continue on Willamette Highway
2 mi · 3 min · Willamette Highway
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14
Keep slight right to continue on I 5 North, OR 99: Eugene
2420 ft · 59 sec
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15
Merge slight left
102.5 mi · 2 hr
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16
Take the exit slight right toward Carman Drive
1236 ft · 26 sec
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17
Turn right onto Upper Boones Ferry Road
48 m · 4 sec · Upper Boones Ferry Road
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18
Continue on Carman Drive
1.1 mi · 2 min · Carman Drive
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19
Enter the roundabout and take exit 2 toward Meadows and Carman Circle
28 m · 5 sec · Carman Drive
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20
Exit the rotary onto Carman Drive
152 m · 22 sec · Carman Drive
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21
Turn right onto Kruse Way
2325 ft · 1 min · Kruse Way
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22
At the end of the road, turn left onto Boones Ferry Road
1.1 km · 1 min · Boones Ferry Road
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23
Turn slight right
546 ft · 13 sec
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24
Turn straight onto Country Club Road
1.6 mi · 3 min · Country Club Road
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25
Continue on A Avenue
1157 ft · 38 sec · A Avenue
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26
Turn left
65 m · 16 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Altamont 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.
I 5 North
Merge slight left
102 mi · 02h 00m
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.
Sunny leaving Altamont and Mostly Sunny near Lake Oswego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Altamont to Lake Oswego?
The road trip is about 276.6 miles (445.1 km) and usually takes 04h 49m 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?
Westfir is a useful midpoint, sitting about 137.6 miles from Altamont and 138.9 miles from Lake Oswego.
How much longer is the road route than the straight-line distance?
The direct path is about 226.9 miles (365.1 km), while the road route adds roughly 49.7 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 7:20 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $48.32 one way or $96.64 round trip. Estimated CO2 is about 86.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Altamont and Mostly Sunny near Lake Oswego.
Stop Ideas Near Westfir
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 Westfir.
University of Oregon
Eugene–Springfield
Eugene, OR
La Pine, Oregon
Flight Path Map
This map shows the direct air route between Altamont and Lake Oswego. Straight-line distance: 226.87 mi (365.12 km).
#1 Altamont
City in Klamath County, Oregon, United States
| Population | 19,257 |
| Coordinates | 42.2068100, -121.7372200 |
| Altitude | 1263 |
| 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: 445 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 12m |
| 40 mph (64.37 km/h) | 06h 54m |
| 50 mph (80.47 km/h) | 05h 31m |
| 60 mph (96.56 km/h) | 04h 36m |
| 70 mph (112.65 km/h) | 03h 57m |
| 80 mph (129 km/h) | 03h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $48.32 | $96.64 |
| Mid-grade | $5.34 | $52.10 | $104.20 |
| Premium | $5.57 | $54.32 | $108.65 |
| Diesel | $6.37 | $62.13 | $124.26 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.