How far is Saint Helens, OR from Portland, OR?
The driving distance from Saint Helens, OR to Portland, OR is about 29.3 miles (47.1 km), with a travel time of about 00h 45m by car.
- The straight-line flight distance is about 24.4 miles (39.2 km).
- For a round trip, plan for roughly 01h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 45m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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.
Driving Route Map
The map below follows the saved road route between Saint Helens and Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Helens and Portland.
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1
Start on South 8th Street
27 m · 9 sec · South 8th Street
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2
Turn left onto Columbia Boulevard
1615 ft · 50 sec · Columbia Boulevard
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3
Continue on Saint Helens Street
2384 ft · 54 sec · Saint Helens Street
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4
At the end of the road, turn left onto Lower Columbia River Highway
7.9 mi · 13 min · Lower Columbia River Highway
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5
Continue on Columbia River Highway
1446 ft · 39 sec · Columbia River Highway
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6
Continue on Lower Columbia River Highway
2.1 mi · 4 min · Lower Columbia River Highway
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7
Continue on Northwest Saint Helens Road
14 mi · 22 min · Northwest Saint Helens Road
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8
Continue on Northwest Yeon Avenue
2.6 mi · 5 min · Northwest Yeon Avenue
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9
Keep slight right to continue on I 405 South, US 26: Beaverton, Salem
2317 ft · 40 sec
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10
Merge slight left onto Stadium Freeway
1175 ft · 20 sec · Stadium Freeway
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11
Take the exit slight right toward Couch Street, Burnside Street
1308 ft · 44 sec
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12
Turn left onto Northwest Couch Street
2736 ft · 2 min · Northwest Couch Street
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13
Turn right
34 m · 8 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Helens and Portland.
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.
Northwest Saint Helens Road
Continue on Northwest Saint Helens Road
14 mi · 00h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Saint Helens and Sunny near Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Helens to Portland?
The road trip is about 29.3 miles (47.1 km) and usually takes 00h 45m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Scappoose is a useful midpoint, sitting about 14.5 miles from Saint Helens and 14.7 miles from Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 24.4 miles (39.2 km), while the road route adds roughly 4.9 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:00 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.10 one way or $10.20 round trip. Estimated CO2 is about 9.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Helens and Sunny near Portland.
Stop Ideas Near Scappoose
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Powell's City of Books
Bureau of Planning and Sustainability
Hillsboro Civic Center
St Helens Public Works Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Scappoose.
Vancouver station
Manning, Oregon
Portland, OR
Union Station
Flight Path Map
This map shows the direct air route between Saint Helens and Portland. Straight-line distance: 24.36 mi (39.2 km).
#1 Saint Helens
City in Oregon, USA
| Population | 14,071 |
| Coordinates | 45.8640000, -122.8064900 |
| Altitude | 27 |
| Country | United States |
#2 Portland
The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area.
| Population | 656,751 |
| Coordinates | 45.5234500, -122.6762100 |
| Altitude | 12 |
| Country | United States |
End: (-122.676082, 45.523482)
Estimated Travel Time
Distance: 47 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 58m |
| 40 mph (64.37 km/h) | 00h 43m |
| 50 mph (80.47 km/h) | 00h 35m |
| 60 mph (96.56 km/h) | 00h 29m |
| 70 mph (112.65 km/h) | 00h 25m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $5.10 | $10.20 |
| Mid-grade | $5.34 | $5.50 | $11.00 |
| Premium | $5.57 | $5.73 | $11.47 |
| Diesel | $6.37 | $6.56 | $13.11 |
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 · Jun 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.