How far is Keizer, OR from Hermiston, OR?
The driving distance from Keizer, OR to Hermiston, OR is about 229.3 miles (369.1 km), with a travel time of about 04h 27m by car.
- The straight-line flight distance is about 190.5 miles (306.6 km).
- For a round trip, plan for roughly 08h 55m 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 27m.
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.
Light Rain Likely
Rain Likely
Driving Route Map
The map below follows the saved road route between Keizer and Hermiston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Keizer and Hermiston.
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1
Start on the route
45 m · 13 sec
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2
Turn right
17 m · 6 sec
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3
Turn right onto River Road North
2553 ft · 1 min · River Road North
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4
Turn right onto Chemawa Road Northeast
1.1 km · 1 min · Chemawa Road Northeast
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5
Enter the roundabout and take exit 2 toward Chemawa Road Northeast
30 m · 2 sec · Chemawa Road Northeast
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6
Exit the roundabout onto Chemawa Road Northeast
1.3 km · 2 min · Chemawa Road Northeast
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7
Continue on Chemawa Road Northeast
2396 ft · 1 min · Chemawa Road Northeast
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8
Take the ramp left toward I 5 North: Portland
39.4 mi · 49 min
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9
Keep slight right to continue on Seattle
1.1 mi · 2 min
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10
Take the exit slight right toward I 84 East, US 30 East: The Dalles, Portland Airport
1011 ft · 17 sec
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11
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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12
Continue on Banfield Freeway
6.6 mi · 9 min · Banfield Freeway
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13
Continue on Columbia River Highway
158.1 mi · 2 hr 56 min · Columbia River Highway
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14
Continue on Old Oregon Trail Highway
15.1 mi · 16 min · Old Oregon Trail Highway
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15
Take the exit slight right toward OR 207: Hermiston, Lexington
1342 ft · 37 sec
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16
Turn left
4.2 mi · 6 min
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17
Turn right onto West Hermiston Avenue
1.5 km · 2 min · West Hermiston Avenue
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18
Turn right onto North 1st Place
122 m · 15 sec · North 1st Place
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19
Turn left onto West Locust Avenue
158 m · 15 sec · West Locust Avenue
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20
Arrive at your destination
0 m · 1 sec · East Main Street
Car Route Details
A richer read on the saved driving route between Keizer 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.
Light Rain Likely leaving Keizer and Rain Likely near Hermiston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Keizer to Hermiston?
The road trip is about 229.3 miles (369.1 km) and usually takes 04h 27m 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?
Mosier is a useful midpoint, sitting about 114.5 miles from Keizer and 114.9 miles from Hermiston.
How much longer is the road route than the straight-line distance?
The direct path is about 190.5 miles (306.6 km), while the road route adds roughly 38.8 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 8:04 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.05 one way or $80.11 round trip. Estimated CO2 is about 71.9 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Keizer and Rain Likely near Hermiston.
Stop Ideas Near Mosier
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 Mosier.
Bingen – White Salmon
Hood River, Oregon
The Dalles, Oregon
Wishram
Flight Path Map
This map shows the direct air route between Keizer and Hermiston. Straight-line distance: 190.5 mi (306.58 km).
#1 Keizer
City in Oregon, USA
| Population | 39,593 |
| Coordinates | 44.9901200, -123.0262100 |
| Altitude | 42 |
| 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: 369 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 38m |
| 40 mph (64.37 km/h) | 05h 44m |
| 50 mph (80.47 km/h) | 04h 35m |
| 60 mph (96.56 km/h) | 03h 49m |
| 70 mph (112.65 km/h) | 03h 16m |
| 80 mph (129 km/h) | 02h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $40.05 | $80.11 |
| Mid-grade | $5.34 | $43.18 | $86.37 |
| Premium | $5.57 | $45.03 | $90.06 |
| Diesel | $6.37 | $51.50 | $103.00 |
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.