How far is Riddle, OR from Terrebonne, OR?
The driving distance from Riddle, OR to Terrebonne, OR is about 220.7 miles (355.2 km), with a travel time of about 04h 13m by car.
- The straight-line flight distance is about 146 miles (235 km).
- For a round trip, plan for roughly 08h 26m 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 04h 13m.
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.
Light Rain
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Riddle and Terrebonne.
Turn-by-Turn Driving Directions
Step-by-step road directions between Riddle and Terrebonne.
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1
Start on E Street
40 m · 11 sec · E Street
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2
Turn left onto 3rd Avenue
556 ft · 26 sec · 3rd Avenue
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3
At the end of the road, turn right onto Main Street
2269 ft · 1 min · Main Street
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4
At the end of the road, turn right onto Riddle Bypass Road
1.8 mi · 2 min · Riddle Bypass Road
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5
Continue on Pruner Road
1.2 km · 1 min · Pruner Road
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6
Take the ramp slight right toward Highway #001FT - Riddle Road Connection #2
1233 ft · 30 sec · Highway #001FT - Riddle Road Connection #2
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7
Merge slight left
89.7 mi · 1 hr 44 min
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8
Take the exit slight right toward OR 126 East: Springfield, McKenzie River
2107 ft · 51 sec
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9
Merge slight left onto Officer Chris Kilcullen Memorial Highway
6.2 mi · 9 min · Officer Chris Kilcullen Memorial Highway
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10
Turn left onto Main Street
131 m · 13 sec · Main Street
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11
Keep slight right to continue on Main Street
2.5 mi · 4 min · Main Street
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12
Continue on McKenzie Highway
45.9 mi · 1 hr 3 min · McKenzie Highway
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13
Continue on Clear Lake-Belknap Springs Highway
19.8 mi · 22 min · Clear Lake-Belknap Springs Highway
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14
At the end of the road, turn right onto Santiam Highway
28.4 mi · 35 min · Santiam Highway
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15
Enter the roundabout and take exit 3 toward West Barclay Drive
69 m · 3 sec · West Barclay Drive
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16
Exit the roundabout onto West Barclay Drive
1.3 km · 1 min · West Barclay Drive
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17
At the end of the road, turn right onto North Locust Street
2552 ft · 51 sec · North Locust Street
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18
Enter the roundabout and take exit 3 toward the route
76 m · 4 sec
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19
Exit the roundabout
1325 ft · 57 sec
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20
Continue on McKenzie Highway
16.6 mi · 23 min · McKenzie Highway
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21
Continue on Southwest Highland Avenue
2.4 mi · 5 min · Southwest Highland Avenue
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22
Keep slight left to continue on Southwest Highland Avenue
37 m · 5 sec · Southwest Highland Avenue
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23
Merge left onto The Dalles-California Highway
5.7 mi · 8 min · The Dalles-California Highway
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24
Turn right onto 11th Street
1473 ft · 40 sec · 11th Street
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25
Arrive at your destination
0 m · 1 sec · 11th Street
Car Route Details
A richer read on the saved driving route between Riddle 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.
Highway #001FT - Riddle Road Connection #2
Merge slight left
89.7 mi · 01h 44m
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.
Light Rain leaving Riddle and Chance Light Rain near Terrebonne.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Riddle to Terrebonne?
The road trip is about 220.7 miles (355.2 km) and usually takes 04h 13m 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?
Unity is a useful midpoint, sitting about 111.3 miles from Riddle and 109.4 miles from Terrebonne.
How much longer is the road route than the straight-line distance?
The direct path is about 146 miles (235 km), while the road route adds roughly 74.7 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 8:34 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.57 one way or $77.14 round trip. Estimated CO2 is about 69.2 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain around Riddle and Chance Light Rain near Terrebonne.
Stop Ideas Near Unity
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 Unity.
University of Oregon
Eugene, OR
Eugene–Springfield
Corvallis, Oregon
Flight Path Map
This map shows the direct air route between Riddle and Terrebonne. Straight-line distance: 146.04 mi (235.03 km).
#1 Riddle
Statement or question or phrase having a double or veiled meaning, put forth as a puzzle to be solved
| Population | 1,216 |
| Coordinates | 42.9509500, -123.3642300 |
| Altitude | 212 |
| 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: 355 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 21m |
| 40 mph (64.37 km/h) | 05h 31m |
| 50 mph (80.47 km/h) | 04h 24m |
| 60 mph (96.56 km/h) | 03h 40m |
| 70 mph (112.65 km/h) | 03h 09m |
| 80 mph (129 km/h) | 02h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $38.57 | $77.14 |
| Mid-grade | $5.34 | $41.58 | $83.17 |
| Premium | $5.57 | $43.36 | $86.72 |
| Diesel | $6.37 | $49.59 | $99.18 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.