How far is Salem, OR from Union, OR?

The driving distance from Salem, OR to Union, OR is about 320.4 miles (515.6 km), with a travel time of about 06h 10m by car.

  • The straight-line flight distance is about 252.9 miles (407 km).
  • For a round trip, plan for roughly 12h 20m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
320.38 mi
06h 10m
Flight
252.87 mi
406.96 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Salem.

Flight Distance

Direct air line
252.87 mi
Kilometers
406.96 km
Flight Time
00h 30m

Driving Distance

Road route
320.38 mi
Kilometers
515.6 km
Drive Time
06h 10m

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 06h 10m.

Arrival Snapshot
Arrive in Union
Thu, Apr 23, 3:16 AM PDT
Return by in Salem
Thu, Apr 23, 9:26 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Salem
2026-04-22T21:06
Arrive Union
Thu, Apr 23, 3:16 AM PDT
Route Timing
06h 10m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
12:10 PM to 1:40 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:40 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Salem
8:00 PM PDT
Overnight-style route

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.

Mid-route stop
Rufus
OR

City in Oregon, USA

From Salem
159.9 mi
03h 05m
To Union
160.5 mi
03h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
57°F
Wednesday

Light Rain Likely

Starts
Wed, Apr 22 6:00 AM PDT
Wind
6 to 12 mph SW
Destination
48°F
Wednesday

Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
18 to 23 mph NW

Driving Route Map

The map below follows the saved road route between Salem and Union.

Turn-by-Turn Driving Directions

Step-by-step road directions between Salem and Union.

  1. 1

    Start on High Street Northeast

    143 m · 19 sec · High Street Northeast

  2. 2

    Turn right onto Chemeketa Street Northeast

    136 m · 19 sec · Chemeketa Street Northeast

  3. 3

    Turn right onto Liberty Street Northeast

    1722 ft · 1 min · Liberty Street Northeast

  4. 4

    Turn left onto Division Street Northeast

    107 m · 12 sec · Division Street Northeast

  5. 5

    Turn right onto Commercial Street Northeast

    1348 ft · 41 sec · Commercial Street Northeast

  6. 6

    Continue on Liberty Street Northeast

    1.1 mi · 3 min · Liberty Street Northeast

  7. 7

    Turn right onto Doctor Martin Luther King Junior Parkway

    3.1 mi · 5 min · Doctor Martin Luther King Junior Parkway

  8. 8

    Keep slight left to continue on I 5 North: Portland

    39.7 mi · 49 min

  9. 9

    Keep slight right to continue on Seattle

    1.1 mi · 2 min

  10. 10

    Take the exit slight right toward I 84 East, US 30 East: The Dalles, Portland Airport

    1011 ft · 17 sec

  11. 11

    Keep slight left to continue on I 84 East, US 30 East: Portland Airport, The Dalles

    1.5 km · 1 min

  12. 12

    Continue on Banfield Freeway

    6.6 mi · 9 min · Banfield Freeway

  13. 13

    Continue on Columbia River Highway

    158.1 mi · 2 hr 56 min · Columbia River Highway

  14. 14

    Continue on Old Oregon Trail Highway

    97.3 mi · 1 hr 45 min · Old Oregon Trail Highway

  15. 15

    Take the exit slight right toward OR 203: La Grande, Union

    1358 ft · 36 sec

  16. 16

    Continue on La Grande-Baker Highway

    10.5 mi · 16 min · La Grande-Baker Highway

  17. 17

    Continue on North Main Street

    3079 ft · 57 sec · North Main Street

  18. 18

    Turn left onto East Beakman Street

    21 m · 1 sec · East Beakman Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · East Beakman Street

Car Route Details

A richer read on the saved driving route between Salem and Union.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
19 steps
6 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
5.9 / 100 mi
Decision points by distance
Main Roads
Columbia River Highway
158 mi · 49%
Old Oregon Trail Highway
97.3 mi · 30%
I 5 North
39.7 mi · 12%
La Grande-Baker Highway
10.5 mi · 3%
Banfield Freeway
6.56 mi · 2%
Doctor Martin Luther King Junior Parkway
3.06 mi · 1%
Longest Stretch

Columbia River Highway

Continue on Columbia River Highway

158 mi · 02h 56m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 10m
Overnight route
Same-Day Return
12h 20m
Round-trip wheel time
Road vs Air
+67.5 mi
252.9 mi direct line
Halfway Stop
Rufus
03h 05m from Salem
Leave By
11:40 PM PDT
Overnight-style route
Weather Watch

Light Rain Likely leaving Salem and Rain near Union.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Salem to Union?

The road trip is about 320.4 miles (515.6 km) and usually takes 06h 10m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Rufus is a useful midpoint, sitting about 159.9 miles from Salem and 160.5 miles from Union.

How much longer is the road route than the straight-line distance?

The direct path is about 252.9 miles (407 km), while the road route adds roughly 67.5 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 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $55.95 one way or $111.89 round trip. Estimated CO2 is about 100.4 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain Likely around Salem and Rain near Union.

Stop Ideas Near Rufus

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Rufus, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Rufus.

RAIL

Wishram

18 mi away
1 Railroad Avenue
BUS

The Dalles, Oregon

36 mi away
201 East Federal Street
RAIL

Bingen – White Salmon

57 mi away
Hwy 14 and Walnut St.
BUS

Hood River, Oregon

61 mi away
600 E. Marina Way

Flight Path Map

This map shows the direct air route between Salem and Union. Straight-line distance: 252.87 mi (406.96 km).

Salem

#1 Salem

The capital of Oregon.

Population175,891
Coordinates44.9429000, -123.0351000
Altitude49
CountryUnited States
Union

#2 Union

Township of Union County, New Jersey

Population2,207
Coordinates45.2084700, -117.8652100
Altitude850
CountryUnited States
Start: Salem (-123.0351, 44.9429)
End: Union (-117.86521, 45.20847)

Estimated Travel Time

Distance: 516 km by road

SpeedTime
30 mph (48.3 km/h)10h 40m
40 mph (64.37 km/h)08h 00m
50 mph (80.47 km/h)06h 24m
60 mph (96.56 km/h)05h 20m
70 mph (112.65 km/h)04h 34m
80 mph (129 km/h)03h 59m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.3 gal
42.79 L · about $55.95
Round trip
$111.89
22.6 gal · 85.58 L
Estimated CO2
100.4 kg one way
Round trip: 200.8 kg / 443 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $55.95 $111.89
Mid-grade $5.34 $60.32 $120.64
Premium $5.57 $62.90 $125.79
Diesel $6.37 $71.94 $143.87

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

There is no time difference between Salem and Union. The current time is 21:06:21.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.