How far is Portland, OR from Dayton, OR?
The driving distance from Portland, OR to Dayton, OR is about 33.6 miles (54 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 28.5 miles (45.9 km).
- For a round trip, plan for roughly 01h 52m 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 56m.
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
Partly Sunny
Driving Route Map
The map below follows the saved road route between Portland and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland and Dayton.
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1
Start on the route
34 m · 13 sec
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2
Turn left onto Northwest Couch Street
2074 ft · 2 min · Northwest Couch Street
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3
Turn left onto Northwest 13th Avenue
1593 ft · 1 min · Northwest 13th Avenue
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4
Turn right onto Southwest Taylor Street
9 m · 1 sec · Southwest Taylor Street
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5
Take the ramp slight left toward I 405 South
2393 ft · 44 sec
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6
Merge slight left onto Stadium Freeway
1.5 mi · 2 min · Stadium Freeway
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7
Merge slight right
5.6 mi · 8 min
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8
Take the exit slight right toward OR 99W South: Tigard, Newberg, McMinnville, Lincoln City
1614 ft · 42 sec
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9
Continue on Southwest Pacific Highway
12.1 mi · 21 min · Southwest Pacific Highway
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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 East Portland Road
1.5 km · 2 min · East Portland Road
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12
Turn left onto North Springbrook Road
1.6 km · 2 min · North Springbrook Road
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13
Turn left onto Northeast Saint Paul Highway
1154 ft · 22 sec · Northeast Saint Paul Highway
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14
Turn right onto Newberg-Dundee Bypass
4.1 mi · 6 min · Newberg-Dundee Bypass
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15
Take the exit slight right
130 m · 14 sec
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16
Merge slight left onto Pacific Highway West
3.2 mi · 5 min · Pacific Highway West
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17
Turn left onto Southeast Dayton Bypass
1.3 mi · 2 min · Southeast Dayton Bypass
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18
Take the exit slight right
96 m · 13 sec
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19
Turn right onto Southeast Foster Road
969 ft · 16 sec · Southeast Foster Road
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20
Continue on 3rd Street
1692 ft · 33 sec · 3rd Street
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21
Turn right onto Ferry Street
51 m · 3 sec · Ferry Street
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22
Arrive at your destination
0 m · 1 sec · Ferry Street
Car Route Details
A richer read on the saved driving route between Portland and Dayton.
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.
Mostly Sunny leaving Portland and Partly Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portland to Dayton?
The road trip is about 33.6 miles (54 km) and usually takes 00h 56m 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 Portland and 16.8 miles from Dayton.
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 5.1 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 4:38 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.84 one way or $11.68 round trip. Estimated CO2 is about 10.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Portland and Partly Sunny near Dayton.
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 Portland and Dayton. Straight-line distance: 28.54 mi (45.93 km).
#1 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 |
#2 Dayton
City in Oregon, USA
| Population | 2,753 |
| Coordinates | 45.2206700, -123.0762100 |
| Altitude | 48 |
| Country | United States |
End: Dayton (-123.07621, 45.22067)
Estimated Travel Time
Distance: 54 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 07m |
| 40 mph (64.37 km/h) | 00h 50m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 33m |
| 70 mph (112.65 km/h) | 00h 28m |
| 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 | $5.84 | $11.68 |
| Mid-grade | $5.34 | $6.30 | $12.60 |
| Premium | $5.57 | $6.57 | $13.14 |
| Diesel | $6.37 | $7.51 | $15.02 |
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.