How far is Terrebonne, OR from Riddle, OR?

The driving distance from Terrebonne, OR to Riddle, OR is about 223.3 miles (359.4 km), with a travel time of about 04h 45m by car.

  • The straight-line flight distance is about 146 miles (235 km).
  • For a round trip, plan for roughly 09h 30m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
223.33 mi
04h 45m
Flight
146.04 mi
235.03 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Terrebonne.

Flight Distance

Direct air line
146.04 mi
Kilometers
235.03 km
Flight Time
00h 17m

Driving Distance

Road route
223.33 mi
Kilometers
359.42 km
Drive Time
04h 45m

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 45m.

Arrival Snapshot
Arrive in Riddle
Thu, Apr 23, 3:59 AM PDT
Return by in Terrebonne
Thu, Apr 23, 8:44 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Terrebonne
2026-04-22T23:14
Arrive Riddle
Thu, Apr 23, 3:59 AM PDT
Route Timing
04h 45m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
10:45 AM to 12:45 PM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:30 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Terrebonne
9:00 PM PDT
Early departure recommended

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.

Mid-route stop
Unity
OR

City in Oregon, USA

From Terrebonne
111.5 mi
02h 22m
To Riddle
111.8 mi
02h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Wednesday

Chance Light Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
9 to 18 mph W
Destination
47°F
Wednesday

Light Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
5 to 9 mph WSW

Driving Route Map

The map below follows the saved road route between Terrebonne and Riddle.

Turn-by-Turn Driving Directions

Step-by-step road directions between Terrebonne and Riddle.

  1. 1

    Start on 11th Street

    1473 ft · 46 sec · 11th Street

  2. 2

    At the end of the road, turn left onto The Dalles-California Highway

    5.7 mi · 8 min · The Dalles-California Highway

  3. 3

    Take the exit right

    48 m · 5 sec

  4. 4

    Merge slight left onto Southwest Glacier Avenue

    1 km · 1 min · Southwest Glacier Avenue

  5. 5

    Merge slight right onto Southwest Highland Avenue

    1.8 mi · 3 min · Southwest Highland Avenue

  6. 6

    Continue on McKenzie Highway

    16.8 mi · 24 min · McKenzie Highway

  7. 7

    Enter the roundabout and take exit 1 toward South Locust Street

    21 m · 1 sec · South Locust Street

  8. 8

    Exit the roundabout onto South Locust Street

    2557 ft · 56 sec · South Locust Street

  9. 9

    Turn left onto East Barclay Drive

    1.3 km · 1 min · East Barclay Drive

  10. 10

    Enter the roundabout and take exit 1 toward Santiam Highway

    5 m · 1 sec · Santiam Highway

  11. 11

    Exit the roundabout onto Santiam Highway

    25.1 mi · 31 min · Santiam Highway

  12. 12

    Keep slight left to continue on Santiam Highway

    3.3 mi · 4 min · Santiam Highway

  13. 13

    Turn left onto Clear Lake-Belknap Springs Highway

    19.8 mi · 22 min · Clear Lake-Belknap Springs Highway

  14. 14

    Continue on McKenzie Highway

    42.1 mi · 57 min · McKenzie Highway

  15. 15

    Turn right onto Camp Creek Road

    8.4 mi · 12 min · Camp Creek Road

  16. 16

    Turn left onto Marcola Road

    1 km · 1 min · Marcola Road

  17. 17

    Turn left onto 42nd Street

    1880 ft · 37 sec · 42nd Street

  18. 18

    Take the ramp right toward OR 126 West: Eugene

    1600 ft · 39 sec · 42nd Street Connection #3

  19. 19

    Merge slight left onto Officer Chris Kilcullen Memorial Highway

    3.7 mi · 5 min · Officer Chris Kilcullen Memorial Highway

  20. 20

    Take the exit slight left toward I 5 South: Roseburg

    2995 ft · 1 min

  21. 21

    Merge slight left

    89.4 mi · 1 hr 44 min

  22. 22

    Take the exit slight right toward Tri CIty, Riddle

    913 ft · 23 sec · Highway #001FV - Riddle Road Connection #4

  23. 23

    Turn right onto Pruner Road

    1 km · 1 min · Pruner Road

  24. 24

    Continue on Riddle Bypass Road

    1.8 mi · 3 min · Riddle Bypass Road

  25. 25

    Turn left onto Main Street

    2012 ft · 1 min · Main Street

  26. 26

    Turn left onto 5th Avenue

    569 ft · 19 sec · 5th Avenue

  27. 27

    Turn right onto E Street

    541 ft · 24 sec · E Street

  28. 28

    Arrive at your destination

    0 m · 1 sec · E Street

Car Route Details

A richer read on the saved driving route between Terrebonne and Riddle.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
28 steps
14 turns on the saved route
Ramps & Exits
12
4 merges, 8 ramps or exits
Navigation Density
12.5 / 100 mi
Decision points by distance
Main Roads
I 5 South
90 mi · 40%
McKenzie Highway
58.9 mi · 26%
Santiam Highway
28.4 mi · 13%
Clear Lake-Belknap Springs Highway
19.8 mi · 9%
Camp Creek Road
8.41 mi · 4%
The Dalles-California Highway
5.71 mi · 3%
Longest Stretch

I 5 South

Merge slight left

89.4 mi · 01h 44m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 45m
Long day trip
Same-Day Return
09h 30m
Round-trip wheel time
Road vs Air
+77.3 mi
146 mi direct line
Halfway Stop
Unity
02h 22m from Terrebonne
Leave By
7:30 AM PDT
Early departure recommended
Weather Watch

Chance Light Rain leaving Terrebonne and Light Rain near Riddle.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Terrebonne to Riddle?

The road trip is about 223.3 miles (359.4 km) and usually takes 04h 45m 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 111.5 miles from Terrebonne and 111.8 miles from Riddle.

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 77.3 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 7:30 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $39.01 one way or $78.03 round trip. Estimated CO2 is about 70 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain around Terrebonne and Light Rain near Riddle.

Stop Ideas Near Unity

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Unity, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Unity.

BUS

University of Oregon

27 mi away
1320 East 15th Avenue
BUS

Eugene, OR

28 mi away
987 Pearl Street
RAIL

Eugene–Springfield

29 mi away
433 Willamette Street
BUS

Corvallis, Oregon

79 mi away
153 NW 4th Avenue

Flight Path Map

This map shows the direct air route between Terrebonne and Riddle. Straight-line distance: 146.04 mi (235.03 km).

Terrebonne

#1 Terrebonne

Census-designated place in Deschutes County, Oregon

Population117,664
Coordinates44.3529000, -121.1778100
Altitude875
CountryUnited States
Riddle

#2 Riddle

Statement or question or phrase having a double or veiled meaning, put forth as a puzzle to be solved

Population1,216
Coordinates42.9509500, -123.3642300
Altitude212
CountryUnited States
Start: Terrebonne (-121.17781, 44.3529)
End: Riddle (-123.36423, 42.95095)

Estimated Travel Time

Distance: 359 km by road

SpeedTime
30 mph (48.3 km/h)07h 26m
40 mph (64.37 km/h)05h 35m
50 mph (80.47 km/h)04h 27m
60 mph (96.56 km/h)03h 43m
70 mph (112.65 km/h)03h 11m
80 mph (129 km/h)02h 47m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.88 gal
29.83 L · about $39.01
Round trip
$78.03
15.76 gal · 59.66 L
Estimated CO2
70 kg one way
Round trip: 140.1 kg / 309 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $39.01 $78.03
Mid-grade $5.34 $42.06 $84.13
Premium $5.57 $43.86 $87.72
Diesel $6.37 $50.16 $100.33

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

There is no time difference between Terrebonne and Riddle. The current time is 23:14:18.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.