How far is Milton-Freewater, OR from Lake Oswego, OR?
The driving distance from Milton-Freewater, OR to Lake Oswego, OR is about 245.6 miles (395.2 km), with a travel time of about 04h 02m by car.
- The straight-line flight distance is about 209.7 miles (337.5 km).
- For a round trip, plan for roughly 08h 05m 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 02m.
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.
Partly Sunny
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Milton-Freewater and Lake Oswego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Milton-Freewater and Lake Oswego.
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1
Start on South Main Street
1.2 km · 2 min · South Main Street
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2
Turn straight onto Oregon-Washington Highway
14.5 mi · 20 min · Oregon-Washington Highway
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3
Continue on New Oregon-Washington Highway
12.3 mi · 17 min · New Oregon-Washington Highway
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4
Keep slight left to continue on New Oregon-Washington Highway
69 m · 4 sec · New Oregon-Washington Highway
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5
Continue on Southeast Court Avenue
1.2 km · 2 min · Southeast Court Avenue
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6
Turn left onto Oregon-Washington Highway
1.2 km · 1 min · Oregon-Washington Highway
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7
Take the ramp right
1726 ft · 42 sec
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8
Merge slight left onto Old Oregon Trail Highway
43 mi · 47 min · Old Oregon Trail Highway
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9
Continue on Columbia River Highway
158.3 mi · 2 hr 56 min · Columbia River Highway
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10
Continue on Banfield Freeway
6.8 mi · 9 min · Banfield Freeway
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11
Keep slight left to continue on I 5 South: Salem, OMSI, City Center
1906 ft · 32 sec
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12
Keep slight left to continue on I 5 South: Beaverton, Salem
80 m · 5 sec
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13
Merge slight left onto Purple Heart Trail
1.6 mi · 2 min · Purple Heart Trail
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14
Take the exit slight right toward OR 43: Lake Oswego
1101 ft · 24 sec
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15
Turn straight onto South Hood Avenue
3.3 mi · 7 min · South Hood Avenue
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16
Continue on South Riverside Drive
2.2 mi · 4 min · South Riverside Drive
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17
Continue on North State Street
1511 ft · 53 sec · North State Street
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18
Turn right onto B Avenue
2111 ft · 1 min · B Avenue
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19
Turn left
80 m · 19 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Milton-Freewater 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.
Partly Sunny leaving Milton-Freewater and Light Rain Likely near Lake Oswego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Milton-Freewater to Lake Oswego?
The road trip is about 245.6 miles (395.2 km) and usually takes 04h 02m 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?
Rufus is a useful midpoint, sitting about 122.7 miles from Milton-Freewater and 122.9 miles from Lake Oswego.
How much longer is the road route than the straight-line distance?
The direct path is about 209.7 miles (337.5 km), while the road route adds roughly 35.9 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 8:54 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.88 one way or $85.75 round trip. Estimated CO2 is about 77 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Milton-Freewater and Light Rain Likely near Lake Oswego.
Stop Ideas Near Rufus
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 Rufus.
Wishram
The Dalles, Oregon
Bingen – White Salmon
Hood River, Oregon
Flight Path Map
This map shows the direct air route between Milton-Freewater and Lake Oswego. Straight-line distance: 209.74 mi (337.54 km).
#1 Milton-Freewater
City in Oregon, USA
| Population | 7,052 |
| Coordinates | 45.9326300, -118.3877400 |
| Altitude | 318 |
| 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: 395 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 10m |
| 40 mph (64.37 km/h) | 06h 08m |
| 50 mph (80.47 km/h) | 04h 54m |
| 60 mph (96.56 km/h) | 04h 05m |
| 70 mph (112.65 km/h) | 03h 30m |
| 80 mph (129 km/h) | 03h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $42.88 | $85.75 |
| Mid-grade | $5.34 | $46.23 | $92.45 |
| Premium | $5.57 | $48.20 | $96.40 |
| Diesel | $6.37 | $55.13 | $110.26 |
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 · 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.