How far is Portland, OR from Kennewick, WA?
The driving distance from Portland, OR to Kennewick, WA is about 213.1 miles (342.9 km), with a travel time of about 04h 04m by car.
- The straight-line flight distance is about 176.8 miles (284.5 km).
- For a round trip, plan for roughly 08h 09m 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 04m.
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.
Chance Light Rain
Partly Sunny
Driving Route Map
The map below follows the saved road route between Portland and Kennewick.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland and Kennewick.
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1
Start on the route
34 m · 10 sec
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2
Turn right onto Northwest Couch Street
52 m · 11 sec · Northwest Couch Street
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3
Turn right onto Northwest 5th Avenue
74 m · 12 sec · Northwest 5th Avenue
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4
Turn left onto West Burnside Street
1039 ft · 52 sec · West Burnside Street
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5
Continue on Burnside Bridge
2236 ft · 1 min · Burnside Bridge
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6
Continue on East Burnside Street
526 ft · 28 sec · East Burnside Street
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7
Turn left onto Northeast Grand Avenue
781 ft · 28 sec · Northeast Grand Avenue
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8
Take the exit slight right toward I 84, US 30 East: Portland Airport, The Dalles
744 ft · 20 sec
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9
Merge slight left onto Banfield Freeway
6.5 mi · 9 min · Banfield Freeway
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10
Continue on Columbia River Highway
158.1 mi · 2 hr 56 min · Columbia River Highway
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11
Continue on Old Oregon Trail Highway
11.4 mi · 12 min · Old Oregon Trail Highway
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12
Take the exit slight right toward I 82 West: Hermiston, Umatilla
1.3 km · 2 min
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13
Continue on McNary Highway
29.9 mi · 33 min · McNary Highway
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14
Keep slight right to continue on Lewis and Clark Trail Highway
3.3 mi · 5 min · Lewis and Clark Trail Highway
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15
Turn right onto West 10th Avenue
1 mi · 2 min · West 10th Avenue
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16
Turn left onto South Olympia Street
1.2 km · 1 min · South Olympia Street
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17
Turn right onto West Kennewick Avenue
46 m · 10 sec · West Kennewick Avenue
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18
Turn left onto North Newport Street
706 ft · 31 sec · North Newport Street
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19
Arrive at your destination
0 m · 1 sec · North Newport Street
Car Route Details
A richer read on the saved driving route between Portland and Kennewick.
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
Continue on Columbia River Highway
158 mi · 02h 56m
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.
Chance Light Rain leaving Portland and Partly Sunny near Kennewick.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portland to Kennewick?
The road trip is about 213.1 miles (342.9 km) and usually takes 04h 04m 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?
Rufus is a useful midpoint, sitting about 106.3 miles from Portland and 106.8 miles from Kennewick.
How much longer is the road route than the straight-line distance?
The direct path is about 176.8 miles (284.5 km), while the road route adds roughly 36.3 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 8:50 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.34 one way or $74.69 round trip. Estimated CO2 is about 66.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Portland and Partly Sunny near Kennewick.
Stop Ideas Near Rufus
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 Rufus.
Wishram
The Dalles, Oregon
Bingen – White Salmon
Hood River, Oregon
Flight Path Map
This map shows the direct air route between Portland and Kennewick. Straight-line distance: 176.76 mi (284.46 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 Kennewick
The second most populous city in Benton County, Washington.
| Population | 84,515 |
| Coordinates | 46.2112500, -119.1372300 |
| Altitude | 124 |
| Country | United States |
End: Kennewick (-119.13723, 46.21125)
Estimated Travel Time
Distance: 343 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 06m |
| 40 mph (64.37 km/h) | 05h 19m |
| 50 mph (80.47 km/h) | 04h 15m |
| 60 mph (96.56 km/h) | 03h 33m |
| 70 mph (112.65 km/h) | 03h 02m |
| 80 mph (129 km/h) | 02h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.97 | $37.34 | $74.69 |
| Mid-grade | $5.22 | $39.26 | $78.52 |
| Premium | $5.53 | $41.61 | $83.22 |
| Diesel | $6.75 | $50.74 | $101.49 |
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 · Oct 17, 2026