How far is Cascade Locks, OR from Portland, OR?
The driving distance from Cascade Locks, OR to Portland, OR is about 43.2 miles (69.5 km), with a travel time of about 00h 47m by car.
- The straight-line flight distance is about 39.3 miles (63.3 km).
- For a round trip, plan for roughly 01h 34m 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 00h 47m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Slight Chance Light Rain then Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Cascade Locks and Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cascade Locks and Portland.
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1
Start on Wa-Na-Pa Street
1.2 km · 2 min · Wa-Na-Pa Street
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2
Take the ramp straight toward Portland
2753 ft · 42 sec
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3
Merge slight left onto Columbia River Highway
33.7 mi · 40 min · Columbia River Highway
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4
Continue on Banfield Freeway
6.8 mi · 9 min · Banfield Freeway
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5
Keep slight left to continue on I 5 South: Salem, OMSI, City Center
1906 ft · 32 sec
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6
Keep slight right to continue on City Center, OMSI
1031 ft · 20 sec
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7
Keep slight right to continue on Morrison Street, City Center
1041 ft · 25 sec
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8
Turn straight onto Morrison Bridge
1581 ft · 43 sec · Morrison Bridge
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9
Continue on Southwest Washington Street
551 ft · 29 sec · Southwest Washington Street
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10
Turn right onto Southwest 4th Avenue
1230 ft · 1 min · Southwest 4th Avenue
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11
Continue on Northwest 4th Avenue
85 m · 17 sec · Northwest 4th Avenue
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12
Turn left onto Northwest Couch Street
130 m · 25 sec · Northwest Couch Street
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13
Turn left
34 m · 8 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Cascade Locks 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.
Columbia River Highway
Merge slight left onto Columbia River Highway
33.7 mi · 00h 40m
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.
Slight Chance Light Rain then Mostly Sunny leaving Cascade Locks and Mostly Sunny near Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cascade Locks to Portland?
The road trip is about 43.2 miles (69.5 km) and usually takes 00h 47m 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?
Troutdale is a useful midpoint, sitting about 21.6 miles from Cascade Locks and 21.6 miles from Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 39.3 miles (63.3 km), while the road route adds roughly 3.9 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 4:56 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.53 one way or $15.05 round trip. Estimated CO2 is about 13.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Light Rain then Mostly Sunny around Cascade Locks and Mostly Sunny near Portland.
Stop Ideas Near Troutdale
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Hollybrook Park
Happy Valley City Hall
Gresham City Passport Office
Gresham City Hall Park & Ride
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Troutdale.
Union Station
Portland, OR
Vancouver station
Oregon City station
Flight Path Map
This map shows the direct air route between Cascade Locks and Portland. Straight-line distance: 39.3 mi (63.25 km).
#1 Cascade Locks
City in Oregon, USA
| Population | 1,155 |
| Coordinates | 45.6698400, -121.8906400 |
| Altitude | 46 |
| 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: 70 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 26m |
| 40 mph (64.37 km/h) | 01h 04m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $7.53 | $15.05 |
| Mid-grade | $5.34 | $8.11 | $16.23 |
| Premium | $5.57 | $8.46 | $16.92 |
| Diesel | $6.37 | $9.68 | $19.35 |
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.