How far is Siletz, OR from Terrebonne, OR?
The driving distance from Siletz, OR to Terrebonne, OR is about 181.4 miles (292 km), with a travel time of about 03h 55m by car.
- The straight-line flight distance is about 137.4 miles (221.2 km).
- For a round trip, plan for roughly 07h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 55m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Siletz and Terrebonne.
Turn-by-Turn Driving Directions
Step-by-step road directions between Siletz and Terrebonne.
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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
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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
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7
Continue on Applegate Street
2586 ft · 1 min · Applegate Street
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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
Continue on Highway 34 Southeast
3.5 mi · 5 min · Highway 34 Southeast
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15
Continue on Corvallis-Lebanon Highway
1.9 mi · 3 min · Corvallis-Lebanon Highway
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16
Turn right onto Denny School Road
1.3 mi · 2 min · Denny School Road
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17
Continue on Airport Drive
1.2 mi · 2 min · Airport Drive
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18
Continue on South Airport Road
1 mi · 2 min · South Airport Road
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19
Turn right onto South Main Street
1383 ft · 24 sec · South Main Street
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20
Continue on South Santiam Highway
12.3 mi · 18 min · South Santiam Highway
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21
Continue on Main Street
4.6 mi · 7 min · Main Street
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22
Continue on Santiam Highway
68.5 mi · 1 hr 35 min · Santiam Highway
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23
Enter the roundabout and take exit 3 toward West Barclay Drive
69 m · 3 sec · West Barclay Drive
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24
Exit the roundabout onto West Barclay Drive
1.3 km · 1 min · West Barclay Drive
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25
At the end of the road, turn right onto North Locust Street
2552 ft · 51 sec · North Locust Street
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26
Enter the roundabout and take exit 3 toward the route
76 m · 4 sec
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27
Exit the roundabout
1325 ft · 57 sec
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28
Continue on McKenzie Highway
16.6 mi · 23 min · McKenzie Highway
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29
Continue on Southwest Highland Avenue
2.4 mi · 5 min · Southwest Highland Avenue
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30
Keep slight left to continue on Southwest Highland Avenue
37 m · 5 sec · Southwest Highland Avenue
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31
Merge left onto The Dalles-California Highway
5.7 mi · 8 min · The Dalles-California Highway
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32
Turn right onto 11th Street
1473 ft · 40 sec · 11th Street
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33
Arrive at your destination
0 m · 1 sec · 11th Street
Car Route Details
A richer read on the saved driving route between Siletz and Terrebonne.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Santiam Highway
Continue on Santiam Highway
68.5 mi · 01h 35m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Siletz and Sunny near Terrebonne.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Siletz to Terrebonne?
The road trip is about 181.4 miles (292 km) and usually takes 03h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Sweet Home is a useful midpoint, sitting about 90.8 miles from Siletz and 90.7 miles from Terrebonne.
How much longer is the road route than the straight-line distance?
The direct path is about 137.4 miles (221.2 km), while the road route adds roughly 44 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 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 9:08 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.69 one way or $63.37 round trip. Estimated CO2 is about 56.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Siletz and Sunny near Terrebonne.
Stop Ideas Near Sweet Home
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Waterloo City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Sweet Home.
Albany station
Corvallis, Oregon
Eugene–Springfield
Eugene, OR
Flight Path Map
This map shows the direct air route between Siletz and Terrebonne. Straight-line distance: 137.43 mi (221.18 km).
#1 Siletz
City in Oregon, USA
| Population | 1,307 |
| Coordinates | 44.7217800, -123.9201100 |
| Altitude | 43 |
| Country | United States |
#2 Terrebonne
Census-designated place in Deschutes County, Oregon
| Population | 117,664 |
| Coordinates | 44.3529000, -121.1778100 |
| Altitude | 875 |
| Country | United States |
End: 11th Street (-121.177733, 44.3529)
Estimated Travel Time
Distance: 292 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 02m |
| 40 mph (64.37 km/h) | 04h 32m |
| 50 mph (80.47 km/h) | 03h 37m |
| 60 mph (96.56 km/h) | 03h 01m |
| 70 mph (112.65 km/h) | 02h 35m |
| 80 mph (129 km/h) | 02h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $31.69 | $63.37 |
| Mid-grade | $5.34 | $34.16 | $68.33 |
| Premium | $5.57 | $35.62 | $71.24 |
| Diesel | $6.37 | $40.74 | $81.48 |
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.