How far is Siletz, OR from Portland, OR?
The driving distance from Siletz, OR to Portland, OR is about 135.1 miles (217.5 km), with a travel time of about 02h 27m by car.
- The straight-line flight distance is about 82.1 miles (132.2 km).
- For a round trip, plan for roughly 04h 54m 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 02h 27m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Siletz and Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Siletz and Portland.
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1
Start on West Buford Avenue
540 ft · 26 sec · West Buford Avenue
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2
At the end of the road, turn right onto South Gaither Street
1014 ft · 20 sec · South Gaither Street
-
3
Continue on Siletz Highway
7.1 mi · 13 min · Siletz Highway
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4
Turn sharp left onto Corvallis Newport Highway
36.3 mi · 50 min · Corvallis Newport Highway
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5
Continue on Corvallis-Newport Highway
838 ft · 18 sec · Corvallis-Newport Highway
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6
Turn slight right onto Applegate Street
1.4 km · 3 min · Applegate Street
-
7
Continue on Applegate Street
2586 ft · 1 min · Applegate Street
-
8
Turn left onto South 21st Street
131 m · 19 sec · South 21st Street
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9
Turn right onto Main Street
1.5 km · 2 min · Main Street
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10
Continue on Southwest Philomath Boulevard
3.6 mi · 6 min · Southwest Philomath Boulevard
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11
Continue on Corvallis-Newport Highway
2848 ft · 47 sec · Corvallis-Newport Highway
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12
Continue on Newport-Corvallis Highway
2766 ft · 43 sec · Newport-Corvallis Highway
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13
Turn right onto Corvallis-Lebanon Highway
9.8 mi · 14 min · Corvallis-Lebanon Highway
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14
Take the exit slight right
2241 ft · 55 sec
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15
Merge slight left
71.3 mi · 1 hr 26 min
-
16
Keep slight left to continue on Stadium Freeway
2.1 mi · 3 min · Stadium Freeway
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17
Take the exit slight right toward Everett Street, Glisan Street
906 ft · 30 sec
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18
Turn right onto Northwest Everett Street
1723 ft · 1 min · Northwest Everett Street
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19
Turn right onto Northwest 8th Avenue
159 m · 28 sec · Northwest 8th Avenue
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20
Turn left onto Northwest Couch Street
615 ft · 32 sec · Northwest Couch Street
-
21
Turn right
34 m · 8 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Siletz and Portland.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Corvallis-Lebanon Highway
Merge slight left
71.3 mi · 01h 26m
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 Siletz and Sunny near Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Siletz to Portland?
The road trip is about 135.1 miles (217.5 km) and usually takes 02h 27m 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?
Millersburg is a useful midpoint, sitting about 67.5 miles from Siletz and 67.7 miles from Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 82.1 miles (132.2 km), while the road route adds roughly 53 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 1:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.62 one way or $47.23 round trip. Estimated CO2 is about 42.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Siletz and Sunny near Portland.
Stop Ideas Near Millersburg
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 Millersburg.
Albany station
Corvallis, Oregon
Salem station
Woodburn, OR
Flight Path Map
This map shows the direct air route between Siletz and Portland. Straight-line distance: 82.13 mi (132.17 km).
#1 Siletz
City in Oregon, USA
| Population | 1,307 |
| Coordinates | 44.7217800, -123.9201100 |
| Altitude | 43 |
| 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: 218 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 30m |
| 40 mph (64.37 km/h) | 03h 22m |
| 50 mph (80.47 km/h) | 02h 42m |
| 60 mph (96.56 km/h) | 02h 15m |
| 70 mph (112.65 km/h) | 01h 55m |
| 80 mph (129 km/h) | 01h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $23.62 | $47.23 |
| Mid-grade | $5.34 | $25.46 | $50.92 |
| Premium | $5.57 | $26.55 | $53.10 |
| Diesel | $6.37 | $30.37 | $60.73 |
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.