How far is Monmouth, OR from Hillsboro, OR?
The driving distance from Monmouth, OR to Hillsboro, OR is about 55.2 miles (88.9 km), with a travel time of about 01h 14m by car.
- The straight-line flight distance is about 48.1 miles (77.4 km).
- For a round trip, plan for roughly 02h 29m 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 14m.
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.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Monmouth and Hillsboro.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monmouth and Hillsboro.
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1
Start on Main Street East
1210 ft · 31 sec · Main Street East
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2
Turn left onto Pacific Avenue North
1 km · 1 min · Pacific Avenue North
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3
Continue on South Pacific Highway West
2.7 mi · 4 min · South Pacific Highway West
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4
Enter the roundabout and take exit 2 toward South Pacific Highway West
44 m · 2 sec · South Pacific Highway West
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5
Exit the roundabout onto South Pacific Highway West
2.2 mi · 3 min · South Pacific Highway West
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6
Continue on Main Street
1961 ft · 48 sec · Main Street
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7
Continue on North Pacific Highway West
12.6 mi · 15 min · North Pacific Highway West
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8
Continue on South Trade Street
1.2 km · 55 sec · South Trade Street
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9
Continue on Pacific Highway West
4.9 mi · 6 min · Pacific Highway West
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10
Continue on Southwest Baker Street
1469 ft · 42 sec · Southwest Baker Street
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11
Continue on Southwest Baker Street
1.2 km · 2 min · Southwest Baker Street
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12
Continue on Southeast Baker Street
1.3 mi · 2 min · Southeast Baker Street
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13
Turn slight left onto Northeast Baker Street
3146 ft · 1 min · Northeast Baker Street
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14
Continue on Westside Road
4.6 mi · 7 min · Westside Road
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15
Turn right onto Northwest Meadow Lake Road
1.4 km · 1 min · Northwest Meadow Lake Road
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16
Continue on West Main Street
1728 ft · 40 sec · West Main Street
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17
Turn left onto North Yamhill Street
2623 ft · 1 min · North Yamhill Street
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18
Continue on Tualatin Valley Highway
2.7 mi · 4 min · Tualatin Valley Highway
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19
Continue on South Maple Street
2671 ft · 2 min · South Maple Street
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20
Continue on Tualatin Valley Highway
7.6 mi · 11 min · Tualatin Valley Highway
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21
Continue on Front Street
2059 ft · 58 sec · Front Street
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22
Continue on Tualatin Valley Highway
6.8 mi · 9 min · Tualatin Valley Highway
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23
Turn right onto Pacific Avenue
1.1 km · 1 min · Pacific Avenue
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24
Continue on Baseline Street
2 mi · 5 min · Baseline Street
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25
Continue on Southwest Tualatin Valley Highway
1.5 km · 2 min · Southwest Tualatin Valley Highway
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26
Continue on Southwest Baseline Street
686 ft · 17 sec · Southwest Baseline Street
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27
Continue on Southwest Oak Street
1239 ft · 33 sec · Southwest Oak Street
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28
Turn left onto Southwest Main Street
792 ft · 20 sec · Southwest Main Street
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29
Continue on West Main Street
1.1 km · 2 min · West Main Street
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30
Turn left onto North 1st Avenue
24 m · 3 sec · North 1st Avenue
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31
Arrive at your destination
0 m · 1 sec · North 1st Avenue
Car Route Details
A richer read on the saved driving route between Monmouth and Hillsboro.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
North Pacific Highway West
Continue on North Pacific Highway West
12.6 mi · 00h 15m
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.
Partly Sunny leaving Monmouth and Mostly Sunny near Hillsboro.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Monmouth to Hillsboro?
The road trip is about 55.2 miles (88.9 km) and usually takes 01h 14m 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?
McMinnville is a useful midpoint, sitting about 28.2 miles from Monmouth and 27 miles from Hillsboro.
How much longer is the road route than the straight-line distance?
The direct path is about 48.1 miles (77.4 km), while the road route adds roughly 7.1 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 4:00 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.65 one way or $19.31 round trip. Estimated CO2 is about 17.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Monmouth and Mostly Sunny near Hillsboro.
Stop Ideas Near McMinnville
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 McMinnville.
Woodburn, OR
Salem station
Manning, Oregon
Oregon City station
Flight Path Map
This map shows the direct air route between Monmouth and Hillsboro. Straight-line distance: 48.09 mi (77.4 km).
#1 Monmouth
City in Oregon, USA
| Population | 10,615 |
| Coordinates | 44.8484500, -123.2339900 |
| Altitude | 62 |
| Country | United States |
#2 Hillsboro
The most populous city in Washington County, Oregon.
| Population | 110,985 |
| Coordinates | 45.5228900, -122.9898300 |
| Altitude | 59 |
| Country | United States |
End: North 1st Avenue (-122.989765, 45.52289)
Estimated Travel Time
Distance: 89 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 50m |
| 40 mph (64.37 km/h) | 01h 22m |
| 50 mph (80.47 km/h) | 01h 06m |
| 60 mph (96.56 km/h) | 00h 55m |
| 70 mph (112.65 km/h) | 00h 47m |
| 80 mph (129 km/h) | 00h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $9.65 | $19.31 |
| Mid-grade | $5.34 | $10.41 | $20.82 |
| Premium | $5.57 | $10.85 | $21.71 |
| Diesel | $6.37 | $12.41 | $24.83 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.