How far is Lake Oswego, OR from Altamont, OR?
The driving distance from Lake Oswego, OR to Altamont, OR is about 276 miles (444.1 km), with a travel time of about 05h 50m by car.
- The straight-line flight distance is about 226.9 miles (365.1 km).
- For a round trip, plan for roughly 11h 40m 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 05h 50m.
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.
Light Rain Likely
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Lake Oswego and Altamont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lake Oswego and Altamont.
-
1
Start on the route
65 m · 18 sec
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2
Turn right onto A Avenue
1156 ft · 35 sec · A Avenue
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3
Continue on Country Club Road
1178 ft · 27 sec · Country Club Road
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4
Continue on Country Club Road
1.5 mi · 3 min · Country Club Road
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5
Turn left onto Boones Ferry Road
1.2 km · 1 min · Boones Ferry Road
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6
Turn right onto Kruse Way
1.5 mi · 3 min · Kruse Way
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7
Take the ramp left toward I 5 South: Salem
2171 ft · 41 sec
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8
Merge slight left
102.9 mi · 2 hr 1 min
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9
Take the exit slight right toward OR 58: Oakridge, Klamath Falls, Goshen
1353 ft · 33 sec
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10
Keep slight left to continue on OR 58: Oakridge, Klamath Falls
31.5 mi · 45 min
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11
Turn left onto Westfir Road
2480 ft · 48 sec · Westfir Road
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12
At the end of the road, turn right onto Westfir-Oakridge Road
1.3 mi · 2 min · Westfir-Oakridge Road
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13
Turn left onto State Highway 58
1.1 km · 58 sec · State Highway 58
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14
Continue on Highway 58
3 mi · 6 min · Highway 58
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15
Continue on State Highway 58
32.9 mi · 45 min · State Highway 58
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16
Continue on Williamette Highway
12 mi · 16 min · Williamette Highway
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17
Continue on State Highway 58
4.4 mi · 6 min · State Highway 58
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18
Merge slight left
77.4 mi · 1 hr 31 min
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19
Turn slight left onto Crater Lake Parkway
4.6 mi · 7 min · Crater Lake Parkway
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20
Arrive at your destination
0 m · 1 sec · Crater Lake Parkway
Car Route Details
A richer read on the saved driving route between Lake Oswego and Altamont.
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 South
Merge slight left
103 mi · 02h 01m
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.
Light Rain Likely leaving Lake Oswego and Mostly Sunny near Altamont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lake Oswego to Altamont?
The road trip is about 276 miles (444.1 km) and usually takes 05h 50m 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 137.9 miles from Lake Oswego and 138 miles from Altamont.
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 49.1 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 5:20 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $48.22 one way or $96.45 round trip. Estimated CO2 is about 86.6 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Lake Oswego and Mostly Sunny near Altamont.
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 Lake Oswego and Altamont. Straight-line distance: 226.87 mi (365.12 km).
#1 Lake Oswego
A city in Clackamas County, Oregon.
| Population | 39,821 |
| Coordinates | 45.4206700, -122.6706500 |
| Altitude | 55 |
| Country | United States |
#2 Altamont
City in Klamath County, Oregon, United States
| Population | 19,257 |
| Coordinates | 42.2068100, -121.7372200 |
| Altitude | 1263 |
| Country | United States |
End: Altamont (-121.73722, 42.20681)
Estimated Travel Time
Distance: 444 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 11m |
| 40 mph (64.37 km/h) | 06h 53m |
| 50 mph (80.47 km/h) | 05h 31m |
| 60 mph (96.56 km/h) | 04h 35m |
| 70 mph (112.65 km/h) | 03h 56m |
| 80 mph (129 km/h) | 03h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $48.22 | $96.45 |
| Mid-grade | $5.34 | $51.99 | $103.98 |
| Premium | $5.57 | $54.21 | $108.43 |
| Diesel | $6.37 | $62.00 | $124.01 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.