Drive Time
3h 3m
Distance
184.9 mi
298 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$36
one way
Photo: Brett Sayles
The drive from Hermiston, OR to Portland, OR covers 184.9 miles and takes about 3h 3m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on North 1st Place, West Hermiston Avenue, Southwest 11th Street for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $36.04 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
92.5 miles from Hermiston, OR
A natural place for your longest stop of the day , about 1h 31m into the drive .
Expect a 3h 3m drive with frequent turns across 184.9 miles of local and secondary roads.
| Road | Distance | Duration |
|---|---|---|
| North 1st Place | Unavailable | Refreshing |
| West Hermiston Avenue | Unavailable | Refreshing |
| Southwest 11th Street | Unavailable | Refreshing |
| Butter Creek Highway | Unavailable | Refreshing |
| Old Oregon Trail Highway | Unavailable | Refreshing |
| Columbia River Highway | Unavailable | Refreshing |
| Banfield Freeway | Unavailable | Refreshing |
| I 5 South | Unavailable | Refreshing |
Per-road distance and duration are being refreshed from OSRM for this route.
Step-by-step road directions between Hermiston, OR and Portland, OR.
Start on East Main Street
Turn right onto North 1st Place
Turn left onto West Hermiston Avenue
At the end of the road, turn left onto Southwest 11th Street
Continue on Butter Creek Highway
Take the ramp right
Merge slight left onto Old Oregon Trail Highway
Continue on Columbia River Highway
Continue on Banfield Freeway
Keep slight left to continue on I 5 South: Salem, OMSI, City Center
Keep slight right to continue on City Center, OMSI
Keep slight right to continue on Morrison Street, City Center
Turn straight onto Morrison Bridge
Turn slight right onto Naito Parkway Northbound
Turn slight right onto Southwest 2nd Avenue
Turn left onto Southwest Ash Street
Turn right onto Southwest 4th Avenue
Continue on Northwest 4th Avenue
Turn left onto Northwest Couch Street
Turn left
Arrive at your destination
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 19m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 92.5 miles or 1h 31m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 30m
Traffic, exits, and arrival timing usually matter more near Portland, OR than in the middle of the route.
Open the route before leaving Hermiston, OR so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Hermiston, OR
This is one driving day of about 184.9 miles and 3h 3m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 92.5 mi from Hermiston, OR · 1h 31m into the drive
Mid-route town
Meal stop
92 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 92.5 miles from Hermiston, OR, which is a good place for a longer meal and fuel stop.
The final approach into Portland, OR usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Portland, OR.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$36.04 one way
$72.08 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.34 | $38.86 | $77.72 |
| premium | $5.57 | $40.52 | $81.04 |
| diesel | $6.37 | $46.34 | $92.68 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$36
Meals
$25–$50
Total
$61–$86
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 64.7 kg one way.
Driving Electric?
About $19 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 55.5 | 0 | $19.41 | $8.88 |
| Efficient EV | 46.2 | 0 | $16.18 | $7.40 |
| EV Truck/SUV | 74 | 0 | $25.89 | $11.83 |
Gas CO2
65 kg
EV CO2
22 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive. If you're planning ahead, check the forecast closer to your travel date.
Origin
Morning in Hermiston on Saturday
Local time
7:21 AM
PDT
Current temp
38°F
Forecast unavailable right now
Destination
Morning in Portland on Saturday
Local time
7:21 AM
PDT
Current temp
55°F
Forecast unavailable right now
Along the Route
35°F
Yacolt, WA
92 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
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