How far is Corvallis, OR from Hermiston, OR?
The driving distance from Corvallis, OR to Hermiston, OR is about 269.7 miles (434.1 km), with a travel time of about 05h 16m by car.
- The straight-line flight distance is about 212.5 miles (342 km).
- For a round trip, plan for roughly 10h 32m 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 05h 16m.
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
Slight Chance Light Rain then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Corvallis and Hermiston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Corvallis and Hermiston.
-
1
Start on Southwest 4th Street
108 m · 16 sec · Southwest 4th Street
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2
Turn right onto Southwest Madison Avenue
91 m · 10 sec · Southwest Madison Avenue
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3
Turn right onto Southwest 5th Street
1146 ft · 44 sec · Southwest 5th Street
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4
Turn right onto Northwest Van Buren Avenue
2661 ft · 1 min · Northwest Van Buren Avenue
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5
Turn slight right onto Corvallis-Lebanon Highway
9.7 mi · 14 min · Corvallis-Lebanon Highway
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6
Take the exit slight right
2241 ft · 55 sec
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7
Merge slight left
71.3 mi · 1 hr 26 min
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8
Keep slight right to continue on Seattle
1.1 mi · 2 min
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9
Take the exit slight right toward I 84 East, US 30 East: The Dalles, Portland Airport
1011 ft · 17 sec
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10
Keep slight left to continue on I 84 East, US 30 East: Portland Airport, The Dalles
1.5 km · 1 min
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11
Continue on Banfield Freeway
6.6 mi · 9 min · Banfield Freeway
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12
Continue on Columbia River Highway
158.1 mi · 2 hr 56 min · Columbia River Highway
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13
Continue on Old Oregon Trail Highway
15.1 mi · 16 min · Old Oregon Trail Highway
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14
Take the exit slight right toward OR 207: Hermiston, Lexington
1342 ft · 37 sec
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15
Turn left
4.2 mi · 6 min
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16
Turn right onto West Hermiston Avenue
1.5 km · 2 min · West Hermiston Avenue
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17
Turn right onto North 1st Place
122 m · 15 sec · North 1st Place
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18
Turn left onto West Locust Avenue
158 m · 15 sec · West Locust Avenue
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19
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Corvallis and Hermiston.
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.
Mostly Sunny leaving Corvallis and Slight Chance Light Rain then Mostly Sunny near Hermiston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Corvallis to Hermiston?
The road trip is about 269.7 miles (434.1 km) and usually takes 05h 16m 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?
Cascade Locks is a useful midpoint, sitting about 134.7 miles from Corvallis and 135.1 miles from Hermiston.
How much longer is the road route than the straight-line distance?
The direct path is about 212.5 miles (342 km), while the road route adds roughly 57.2 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 6:28 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $47.13 one way or $94.27 round trip. Estimated CO2 is about 84.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Corvallis and Slight Chance Light Rain then Mostly Sunny near Hermiston.
Stop Ideas Near Cascade Locks
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 Cascade Locks.
Hood River, Oregon
Bingen – White Salmon
The Dalles, Oregon
Vancouver station
Flight Path Map
This map shows the direct air route between Corvallis and Hermiston. Straight-line distance: 212.51 mi (342 km).
#1 Corvallis
The most populous city in Benton County, Oregon.
| Population | 59,093 |
| Coordinates | 44.5645700, -123.2620400 |
| Altitude | 71 |
| Country | United States |
#2 Hermiston
City in Oregon, USA
| Population | 17,791 |
| Coordinates | 45.8404100, -119.2894600 |
| Altitude | 140 |
| Country | United States |
End: Hermiston (-119.28946, 45.84041)
Estimated Travel Time
Distance: 434 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 59m |
| 40 mph (64.37 km/h) | 06h 44m |
| 50 mph (80.47 km/h) | 05h 23m |
| 60 mph (96.56 km/h) | 04h 29m |
| 70 mph (112.65 km/h) | 03h 51m |
| 80 mph (129 km/h) | 03h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $47.13 | $94.27 |
| Mid-grade | $5.34 | $50.82 | $101.64 |
| Premium | $5.57 | $52.99 | $105.98 |
| Diesel | $6.37 | $60.60 | $121.21 |
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.