How far is Lake Oswego, OR from Scappoose, OR?

The driving distance from Lake Oswego, OR to Scappoose, OR is about 29 miles (46.6 km), with a travel time of about 00h 48m by car.

  • The straight-line flight distance is about 25.1 miles (40.4 km).
  • For a round trip, plan for roughly 01h 37m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
28.94 mi
00h 48m
Flight
25.13 mi
40.44 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Lake Oswego.

Flight Distance

Direct air line
25.13 mi
Kilometers
40.44 km
Flight Time
00h 03m

Driving Distance

Road route
28.94 mi
Kilometers
46.57 km
Drive Time
00h 48m

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 00h 48m.

Arrival Snapshot
Arrive in Scappoose
Tue, May 5, 6:19 AM PDT
Return by in Lake Oswego
Tue, May 5, 7:08 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lake Oswego
2026-05-05T05:30
Arrive Scappoose
Tue, May 5, 6:19 AM PDT
Route Timing
00h 48m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
8:49 AM to 10:49 AM PDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:52 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Lake Oswego
9:30 PM PDT
Morning start is best

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.

Mid-route stop
Cedar Mill
OR

Unincorporated community in Washington County, Oregon

From Lake Oswego
14.5 mi
00h 24m
To Scappoose
14.5 mi
00h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Tuesday

Mostly Sunny

Starts
Tue, May 5 6:00 AM PDT
Wind
5 mph WSW
Destination
76°F
Tuesday

Mostly Sunny

Starts
Tue, May 5 6:00 AM PDT
Wind
2 mph NE

Driving Route Map

The map below follows the saved road route between Lake Oswego and Scappoose.

Turn-by-Turn Driving Directions

Step-by-step road directions between Lake Oswego and Scappoose.

  1. 1

    Start on the route

    28 m · 9 sec

  2. 2

    Turn right

    48 m · 17 sec

  3. 3

    Turn left onto Sixth Street

    53 m · 10 sec · Sixth Street

  4. 4

    Turn right onto B Avenue

    1952 ft · 1 min · B Avenue

  5. 5

    At the end of the road, turn left onto North State Street

    1509 ft · 52 sec · North State Street

  6. 6

    Turn left onto Southwest Terwilliger Boulevard

    1.1 km · 1 min · Southwest Terwilliger Boulevard

  7. 7

    Continue on South Terwilliger Boulevard

    1.6 mi · 3 min · South Terwilliger Boulevard

  8. 8

    Enter the roundabout and take exit 2 toward South Terwilliger Boulevard

    38 m · 3 sec · South Terwilliger Boulevard

  9. 9

    Exit the roundabout onto South Terwilliger Boulevard

    60 m · 5 sec · South Terwilliger Boulevard

  10. 10

    Continue on Southwest Terwilliger Boulevard

    1.4 mi · 3 min · Southwest Terwilliger Boulevard

  11. 11

    Take the ramp slight right toward I 5 North

    1847 ft · 47 sec

  12. 12

    Merge slight left onto Terwilliger Curves

    2.2 mi · 3 min · Terwilliger Curves

  13. 13

    Keep slight left to continue on Stadium Freeway

    2.7 mi · 4 min · Stadium Freeway

  14. 14

    Take the exit slight left toward US 30 West: Saint Helens

    2400 ft · 45 sec

  15. 15

    Continue straight

    18.9 mi · 30 min

  16. 16

    Arrive at your destination

    0 m · 1 sec · Columbia River Highway

Car Route Details

A richer read on the saved driving route between Lake Oswego and Scappoose.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
16 steps
7 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
55.4 / 100 mi
Decision points by distance
Main Roads
US 30 West
19.3 mi · 67%
Stadium Freeway
2.67 mi · 9%
Terwilliger Curves
2.2 mi · 8%
Southwest Terwilliger Boulevard
2.05 mi · 7%
South Terwilliger Boulevard
1.62 mi · 6%
B Avenue
0.37 mi · 1%
Longest Stretch

US 30 West

Continue straight

18.9 mi · 00h 30m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
00h 48m
Day trip friendly
Same-Day Return
01h 38m
Round-trip wheel time
Road vs Air
+3.9 mi
25.1 mi direct line
Halfway Stop
Cedar Mill
00h 24m from Lake Oswego
Leave By
4:52 PM PDT
Morning start is best
Weather Watch

Mostly Sunny leaving Lake Oswego and Mostly Sunny near Scappoose.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Lake Oswego to Scappoose?

The road trip is about 29 miles (46.6 km) and usually takes 00h 48m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Cedar Mill is a useful midpoint, sitting about 14.5 miles from Lake Oswego and 14.5 miles from Scappoose.

How much longer is the road route than the straight-line distance?

The direct path is about 25.1 miles (40.4 km), while the road route adds roughly 3.9 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:52 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.05 one way or $10.10 round trip. Estimated CO2 is about 9.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Lake Oswego and Mostly Sunny near Scappoose.

Stop Ideas Near Cedar Mill

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Cedar Mill and the surrounding midpoint area.
Powell's City of Books
Scenic stop 5.2 mi away

Powell's City of Books

Portland , OR
1005 W Burnside St, Portland, OR 97209, United States
Rating 4.9/5 26,171 reviews Tourist attraction,Rare book store,Book store,Used book store
Vancouver Planning & Zoning
Meeting point 5.4 mi away

Vancouver Planning & Zoning

Vancouver , WA
415 W 6th St, Vancouver, WA 98660
Rating 5.0/5 3 reviews City government office,Urban planning department
City Hall/SW 5th & Jefferson
Nearby stop 5.6 mi away

City Hall/SW 5th & Jefferson

Portland , OR
Portland, OR 97204
Rating 4.3/5 8 reviews Transit station,Bus stop,Light rail station
Sunrise Park (City Of Tigard park)
Scenic stop 11.3 mi away

Sunrise Park (City Of Tigard park)

Tigard , OR
14905 SW Sunrise Ln, Tigard, OR 97224, United States
Rating 4.4/5 35 reviews Park

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Cedar Mill.

BUS

Portland, OR

10 mi away
550 NW 6th Avenue
RAIL

Union Station

11 mi away
800 NW Sixth Ave.
RAIL

Vancouver station

15 mi away
1301 West 11th Street
RAIL

Oregon City station

24 mi away
1757 Washington Street

Flight Path Map

This map shows the direct air route between Lake Oswego and Scappoose. Straight-line distance: 25.13 mi (40.44 km).

Lake Oswego

#1 Lake Oswego

A city in Clackamas County, Oregon.

Population39,821
Coordinates45.4206700, -122.6706500
Altitude55
CountryUnited States
Scappoose

#2 Scappoose

City in Oregon, USA

Population7,618
Coordinates45.7542800, -122.8776000
Altitude19
CountryUnited States
Start: Lake Oswego (-122.67065, 45.42067)
End: Scappoose (-122.8776, 45.75428)

Estimated Travel Time

Distance: 47 km by road

SpeedTime
30 mph (48.3 km/h)00h 57m
40 mph (64.37 km/h)00h 43m
50 mph (80.47 km/h)00h 34m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.02 gal
3.87 L · about $5.05
Round trip
$10.10
2.04 gal · 7.74 L
Estimated CO2
9.1 kg one way
Round trip: 18.1 kg / 40 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $5.05 $10.10
Mid-grade $5.34 $5.44 $10.89
Premium $5.57 $5.68 $11.35
Diesel $6.37 $6.49 $12.99

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 05, 2026

There is no time difference between Lake Oswego and Scappoose. The current time is 05:30:11.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.