How far is Union, OR from Gresham, OR?
The driving distance from Union, OR to Gresham, OR is about 263.5 miles (424 km), with a travel time of about 04h 20m by car.
- The straight-line flight distance is about 222.6 miles (358.2 km).
- For a round trip, plan for roughly 08h 40m 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 20m.
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
Driving Route Map
The map below follows the saved road route between Union and Gresham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Gresham.
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1
Start on East Beakman Street
21 m · 3 sec · East Beakman Street
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2
Turn right onto North Main Street
3079 ft · 52 sec · North Main Street
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3
Continue on La Grande-Baker Highway
10.3 mi · 15 min · La Grande-Baker Highway
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4
Take the ramp left
1135 ft · 28 sec
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5
Merge slight left onto Old Oregon Trail Highway
96.7 mi · 1 hr 45 min · Old Oregon Trail Highway
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6
Continue on Columbia River Highway
151.6 mi · 2 hr 48 min · Columbia River Highway
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7
Take the exit slight right toward 238th Drive, Wood Village
1267 ft · 26 sec
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8
Turn left onto Northeast 238th Drive
1364 ft · 47 sec · Northeast 238th Drive
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9
Turn right onto Northeast Halsey Street
1.2 km · 2 min · Northeast Halsey Street
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10
Turn left onto Northeast 223rd Avenue
1.6 mi · 3 min · Northeast 223rd Avenue
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11
Turn slight left
84 m · 11 sec
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12
Turn left onto Northwest Fairview Drive
1073 ft · 31 sec · Northwest Fairview Drive
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13
Continue on North Main Avenue
1.2 km · 2 min · North Main Avenue
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14
Turn right onto Northwest 1st Street
42 m · 10 sec · Northwest 1st Street
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15
Turn left
19 m · 5 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Union 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.
Columbia River Highway
Continue on Columbia River Highway
152 mi · 02h 48m
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.
Rain leaving Union 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 Union to Gresham?
The road trip is about 263.5 miles (424 km) and usually takes 04h 20m 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?
Arlington is a useful midpoint, sitting about 131.4 miles from Union and 132.1 miles from Gresham.
How much longer is the road route than the straight-line distance?
The direct path is about 222.6 miles (358.2 km), while the road route adds roughly 40.9 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 8:20 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.04 one way or $92.09 round trip. Estimated CO2 is about 82.6 kg one way.
What should you check before leaving?
Before you leave, expect Rain around Union and Light Rain near Gresham.
Stop Ideas Near Arlington
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 Arlington.
Wishram
The Dalles, Oregon
Bingen – White Salmon
Hood River, Oregon
Flight Path Map
This map shows the direct air route between Union and Gresham. Straight-line distance: 222.58 mi (358.21 km).
#1 Union
Township of Union County, New Jersey
| Population | 2,207 |
| Coordinates | 45.2084700, -117.8652100 |
| Altitude | 850 |
| 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: 424 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 46m |
| 40 mph (64.37 km/h) | 06h 35m |
| 50 mph (80.47 km/h) | 05h 16m |
| 60 mph (96.56 km/h) | 04h 23m |
| 70 mph (112.65 km/h) | 03h 45m |
| 80 mph (129 km/h) | 03h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $46.04 | $92.09 |
| Mid-grade | $5.34 | $49.64 | $99.29 |
| Premium | $5.57 | $51.76 | $103.53 |
| Diesel | $6.37 | $59.20 | $118.41 |
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.