How far is Portland, OR from Riddle, OR?
The driving distance from Portland, OR to Riddle, OR is about 201.3 miles (324 km), with a travel time of about 04h 02m by car.
- The straight-line flight distance is about 180.9 miles (291.2 km).
- For a round trip, plan for roughly 08h 05m 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 02m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Portland and Riddle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland and Riddle.
-
1
Start on the route
34 m · 13 sec
-
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
-
4
Turn right onto Southwest Taylor Street
9 m · 1 sec · Southwest Taylor Street
-
5
Take the ramp slight left toward I 405 South
2393 ft · 44 sec
-
6
Merge slight left onto Stadium Freeway
1.5 mi · 2 min · Stadium Freeway
-
7
Merge slight right
195.4 mi · 3 hr 50 min
-
8
Take the exit slight right toward Tri CIty, Riddle
913 ft · 23 sec · Highway #001FV - Riddle Road Connection #4
-
9
Turn right onto Pruner Road
1 km · 1 min · Pruner Road
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10
Continue on Riddle Bypass Road
1.8 mi · 3 min · Riddle Bypass Road
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11
Turn left onto Main Street
2012 ft · 1 min · Main Street
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12
Turn left onto 5th Avenue
569 ft · 19 sec · 5th Avenue
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13
Turn right onto E Street
541 ft · 24 sec · E Street
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14
Arrive at your destination
0 m · 1 sec · E Street
Car Route Details
A richer read on the saved driving route between Portland and Riddle.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Stadium Freeway
Merge slight right
195 mi · 03h 50m
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 Portland and Mostly Sunny near Riddle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portland to Riddle?
The road trip is about 201.3 miles (324 km) and usually takes 04h 02m 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?
Coburg is a useful midpoint, sitting about 100.7 miles from Portland and 100.7 miles from Riddle.
How much longer is the road route than the straight-line distance?
The direct path is about 180.9 miles (291.2 km), while the road route adds roughly 20.4 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 8:54 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.15 one way or $70.30 round trip. Estimated CO2 is about 63.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Portland and Mostly Sunny near Riddle.
Stop Ideas Near Coburg
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Surface Lot
Springfield Animal Control
Harrisburg City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Coburg.
Eugene–Springfield
Eugene, OR
University of Oregon
Corvallis, Oregon
Flight Path Map
This map shows the direct air route between Portland and Riddle. Straight-line distance: 180.97 mi (291.25 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 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 |
End: Riddle (-123.36423, 42.95095)
Estimated Travel Time
Distance: 324 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 42m |
| 40 mph (64.37 km/h) | 05h 01m |
| 50 mph (80.47 km/h) | 04h 01m |
| 60 mph (96.56 km/h) | 03h 21m |
| 70 mph (112.65 km/h) | 02h 52m |
| 80 mph (129 km/h) | 02h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $35.15 | $70.30 |
| Mid-grade | $5.34 | $37.90 | $75.80 |
| Premium | $5.57 | $39.52 | $79.04 |
| Diesel | $6.37 | $45.20 | $90.40 |
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.