How far is Dayton, OR from Portland, OR?
The driving distance from Dayton, OR to Portland, OR is about 34.6 miles (55.7 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 28.5 miles (45.9 km).
- For a round trip, plan for roughly 01h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
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.
This route works well as a day trip with time at the destination.
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 54m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Dayton and Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and Portland.
-
1
Start on Ferry Street
51 m · 11 sec · Ferry Street
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2
Turn left onto 3rd Street
1472 ft · 25 sec · 3rd Street
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3
Take the ramp slight left
906 ft · 25 sec
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4
Merge slight left onto Southeast Dayton Bypass
1.4 mi · 2 min · Southeast Dayton Bypass
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5
Merge slight left onto Pacific Highway West
3.1 mi · 5 min · Pacific Highway West
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6
Turn left onto Newberg-Dundee Bypass
4.2 mi · 6 min · Newberg-Dundee Bypass
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7
At the end of the road, turn left onto Northeast Saint Paul Highway
1319 ft · 29 sec · Northeast Saint Paul Highway
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8
Turn right onto South Springbrook Road
1.6 km · 2 min · South Springbrook Road
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9
Turn right onto East Portland Road
1.5 km · 2 min · East Portland Road
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10
Continue on Pacific Highway West
1.4 mi · 2 min · Pacific Highway West
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11
Continue on Southwest Pacific Highway
12.1 mi · 21 min · Southwest Pacific Highway
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12
Take the exit right toward I 5: Portland, Salem
2296 ft · 60 sec
-
13
Merge slight left
5.6 mi · 8 min
-
14
Keep slight left to continue on Stadium Freeway
2.1 mi · 3 min · Stadium Freeway
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15
Take the exit slight right toward Everett Street, Glisan Street
906 ft · 30 sec
-
16
Turn right onto Northwest Everett Street
1723 ft · 1 min · Northwest Everett Street
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17
Turn right onto Northwest 8th Avenue
159 m · 28 sec · Northwest 8th Avenue
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18
Turn left onto Northwest Couch Street
615 ft · 32 sec · Northwest Couch Street
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19
Turn right
34 m · 8 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 Dayton 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.
Southwest Pacific Highway
Continue on Southwest Pacific Highway
12.1 mi · 00h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Partly Sunny leaving Dayton and Mostly Sunny near Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to Portland?
The road trip is about 34.6 miles (55.7 km) and usually takes 00h 54m 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?
Sherwood is a useful midpoint, sitting about 16.8 miles from Dayton and 17.8 miles from Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 28.5 miles (45.9 km), while the road route adds roughly 6.1 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:42 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.04 one way or $12.08 round trip. Estimated CO2 is about 10.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Dayton and Mostly Sunny near Portland.
Stop Ideas Near Sherwood
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Powell's City of Books
West Linn City Hall
Old City Hall
Sunrise Park (City Of Tigard park)
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Sherwood.
Oregon City station
Woodburn, OR
Portland, OR
Union Station
Flight Path Map
This map shows the direct air route between Dayton and Portland. Straight-line distance: 28.54 mi (45.93 km).
#1 Dayton
City in Oregon, USA
| Population | 2,753 |
| Coordinates | 45.2206700, -123.0762100 |
| Altitude | 48 |
| 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: 56 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 09m |
| 40 mph (64.37 km/h) | 00h 51m |
| 50 mph (80.47 km/h) | 00h 41m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $6.04 | $12.08 |
| Mid-grade | $5.34 | $6.51 | $13.02 |
| Premium | $5.57 | $6.79 | $13.58 |
| Diesel | $6.37 | $7.77 | $15.53 |
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 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.