How far is Hillsboro, OR from Rainier, OR?
The driving distance from Hillsboro, OR to Rainier, OR is about 47.8 miles (77 km), with a travel time of about 01h 18m by car.
- The straight-line flight distance is about 39.2 miles (63.1 km).
- For a round trip, plan for roughly 02h 36m 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 01h 18m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Hillsboro and Rainier.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hillsboro and Rainier.
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1
Start on North 1st Avenue
118 m · 17 sec · North 1st Avenue
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2
Turn right onto Northeast Lincoln Street
1.3 km · 3 min · Northeast Lincoln Street
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3
Turn left onto Northeast Cornell Road
2 mi · 4 min · Northeast Cornell Road
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4
Turn left onto Northeast Brookwood Parkway
1.7 mi · 3 min · Northeast Brookwood Parkway
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5
Turn right onto Northeast Evergreen Parkway
1.5 km · 2 min · Northeast Evergreen Parkway
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6
Turn left onto Northeast Imbrie Drive
2190 ft · 48 sec · Northeast Imbrie Drive
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7
Turn left onto Northeast Cornelius Pass Road
1.2 mi · 2 min · Northeast Cornelius Pass Road
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8
Continue on Northwest Cornelius Pass Road
7.1 mi · 12 min · Northwest Cornelius Pass Road
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9
At the end of the road, turn left onto Northwest Saint Helens Road
5.1 mi · 7 min · Northwest Saint Helens Road
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10
Continue on Lower Columbia River Highway
2.1 mi · 4 min · Lower Columbia River Highway
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11
Continue on Columbia River Highway
1446 ft · 39 sec · Columbia River Highway
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12
Continue on Lower Columbia River Highway
26.1 mi · 39 min · Lower Columbia River Highway
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13
Turn left onto East 1st Street
14 m · 2 sec · East 1st Street
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14
Arrive at your destination
0 m · 1 sec · East 1st Street
Car Route Details
A richer read on the saved driving route between Hillsboro and Rainier.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Lower Columbia River Highway
Continue on Lower Columbia River Highway
26.1 mi · 00h 39m
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.
Mostly Sunny leaving Hillsboro and Mostly Sunny near Rainier.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hillsboro to Rainier?
The road trip is about 47.8 miles (77 km) and usually takes 01h 18m 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?
Scappoose is a useful midpoint, sitting about 23.9 miles from Hillsboro and 23.9 miles from Rainier.
How much longer is the road route than the straight-line distance?
The direct path is about 39.2 miles (63.1 km), while the road route adds roughly 8.6 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 3:54 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.37 one way or $16.73 round trip. Estimated CO2 is about 15 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Hillsboro and Mostly Sunny near Rainier.
Stop Ideas Near Scappoose
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
St Helens Public Works Department
Clark County Parks
Scappoose Police Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Scappoose.
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Union Station
Flight Path Map
This map shows the direct air route between Hillsboro and Rainier. Straight-line distance: 39.2 mi (63.09 km).
#1 Hillsboro
The most populous city in Washington County, Oregon.
| Population | 110,985 |
| Coordinates | 45.5228900, -122.9898300 |
| Altitude | 59 |
| Country | United States |
#2 Rainier
City in Oregon, USA
| Population | 2,021 |
| Coordinates | 46.0890000, -122.9359400 |
| Altitude | 15 |
| Country | United States |
End: Rainier (-122.93594, 46.089)
Estimated Travel Time
Distance: 77 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 35m |
| 40 mph (64.37 km/h) | 01h 11m |
| 50 mph (80.47 km/h) | 00h 57m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $8.37 | $16.73 |
| Mid-grade | $5.34 | $9.02 | $18.04 |
| Premium | $5.57 | $9.41 | $18.81 |
| Diesel | $6.37 | $10.76 | $21.52 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.