How far is Siletz, OR from Gresham, OR?
The driving distance from Siletz, OR to Gresham, OR is about 146.1 miles (235.2 km), with a travel time of about 02h 46m by car.
- The straight-line flight distance is about 90.3 miles (145.3 km).
- For a round trip, plan for roughly 05h 32m 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 02h 46m.
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 Marion County, Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain
Light Rain
Driving Route Map
The map below follows the saved road route between Siletz and Gresham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Siletz and Gresham.
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1
Start on West Buford Avenue
540 ft · 26 sec · West Buford Avenue
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2
At the end of the road, turn right onto South Gaither Street
1014 ft · 20 sec · South Gaither Street
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3
Continue on Siletz Highway
7.1 mi · 13 min · Siletz Highway
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4
Turn sharp left onto Corvallis Newport Highway
36.3 mi · 50 min · Corvallis Newport Highway
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5
Continue on Corvallis-Newport Highway
838 ft · 18 sec · Corvallis-Newport Highway
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6
Turn slight right onto Applegate Street
1.4 km · 3 min · Applegate Street
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7
Continue on Applegate Street
2586 ft · 1 min · Applegate Street
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8
Turn left onto South 21st Street
131 m · 19 sec · South 21st Street
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9
Turn right onto Main Street
1.5 km · 2 min · Main Street
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10
Continue on Southwest Philomath Boulevard
3.6 mi · 6 min · Southwest Philomath Boulevard
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11
Continue on Corvallis-Newport Highway
2848 ft · 47 sec · Corvallis-Newport Highway
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12
Continue on Newport-Corvallis Highway
2766 ft · 43 sec · Newport-Corvallis Highway
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13
Turn right onto Corvallis-Lebanon Highway
9.8 mi · 14 min · Corvallis-Lebanon Highway
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14
Take the exit slight right
2241 ft · 55 sec
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15
Merge slight left
59.9 mi · 1 hr 10 min
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16
Take the exit slight right toward I 205 North: Oregon City
1.2 km · 53 sec
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17
Continue straight
16.4 mi · 21 min
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18
Take the exit slight right toward Foster Road
1473 ft · 42 sec
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19
Turn right onto Southeast Woodstock Boulevard
873 ft · 25 sec · Southeast Woodstock Boulevard
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20
Turn slight right onto Southeast Foster Road
3.3 mi · 7 min · Southeast Foster Road
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21
Turn left onto Southeast Jenne Road
1.5 km · 2 min · Southeast Jenne Road
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22
Continue on Southeast 174th Avenue
2520 ft · 1 min · Southeast 174th Avenue
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23
Turn right onto Southeast Powell Boulevard
732 ft · 21 sec · Southeast Powell Boulevard
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24
Continue on West Powell Boulevard
2.7 mi · 6 min · West Powell Boulevard
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25
Turn left
36 m · 9 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Siletz and Gresham.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Corvallis-Lebanon Highway
Merge slight left
59.9 mi · 01h 10m
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.
Light Rain leaving Siletz and Light Rain near Gresham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Siletz to Gresham?
The road trip is about 146.1 miles (235.2 km) and usually takes 02h 46m 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?
Jefferson is a useful midpoint, sitting about 73 miles from Siletz and 73.1 miles from Gresham.
How much longer is the road route than the straight-line distance?
The direct path is about 90.3 miles (145.3 km), while the road route adds roughly 55.8 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 12:58 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.55 one way or $51.09 round trip. Estimated CO2 is about 45.9 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain around Siletz and Light Rain near Gresham.
Stop Ideas Near Jefferson
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 Jefferson.
Albany station
Salem station
Corvallis, Oregon
Woodburn, OR
Flight Path Map
This map shows the direct air route between Siletz and Gresham. Straight-line distance: 90.26 mi (145.26 km).
#1 Siletz
City in Oregon, USA
| Population | 1,307 |
| Coordinates | 44.7217800, -123.9201100 |
| Altitude | 43 |
| Country | United States |
#2 Gresham
The second most populous city in Multnomah County, Oregon.
| Population | 110,031 |
| Coordinates | 45.4981800, -122.4314800 |
| Altitude | 97 |
| Country | United States |
End: (-122.431495, 45.498179)
Estimated Travel Time
Distance: 235 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 52m |
| 40 mph (64.37 km/h) | 03h 39m |
| 50 mph (80.47 km/h) | 02h 55m |
| 60 mph (96.56 km/h) | 02h 26m |
| 70 mph (112.65 km/h) | 02h 05m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $25.55 | $51.09 |
| Mid-grade | $5.34 | $27.54 | $55.09 |
| Premium | $5.57 | $28.72 | $57.44 |
| Diesel | $6.37 | $32.85 | $65.70 |
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.