How far is Auburn, ME from Union, ME?

The driving distance from Auburn, ME to Union, ME is about 57 miles (91.7 km), with a travel time of about 01h 18m by car.

  • The straight-line flight distance is about 48.1 miles (77.4 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 EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
56.95 mi
01h 18m
Flight
48.08 mi
77.38 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Auburn.

Flight Distance

Direct air line
48.08 mi
Kilometers
77.38 km
Flight Time
00h 05m

Driving Distance

Road route
56.95 mi
Kilometers
91.65 km
Drive Time
01h 18m

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.

Arrival Snapshot
Arrive in Union
Thu, Apr 16, 3:41 PM EDT
Return by in Auburn
Thu, Apr 16, 4:59 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Auburn
2026-04-16T14:23
Arrive Union
Thu, Apr 16, 3:41 PM EDT
Route Timing
01h 18m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:18 AM to 11:18 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:54 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Auburn
9:30 PM EDT
Morning start is best

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
Gardiner
ME

City in Maine

From Auburn
28.4 mi
00h 39m
To Union
28.5 mi
00h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Thursday

Rain Showers Likely

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 5 mph SE
Destination
51°F
Thursday

Areas Of Fog

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 5 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Minot Avenue

    12 m · 5 sec · Minot Avenue

  2. 2

    Turn right onto Court Street

    2156 ft · 37 sec · Court Street

  3. 3

    Continue on Main Street

    1367 ft · 28 sec · Main Street

  4. 4

    Turn sharp right onto Canal Street

    1.2 km · 1 min · Canal Street

  5. 5

    Merge slight left onto Lisbon Street

    1.5 mi · 2 min · Lisbon Street

  6. 6

    Take the exit slight right

    1247 ft · 34 sec

  7. 7

    Turn straight onto Alfred A Plourde Parkway

    971 ft · 19 sec · Alfred A Plourde Parkway

  8. 8

    Take the ramp left

    1440 ft · 35 sec

  9. 9

    Merge slight left onto Maine Turnpike

    19.2 mi · 21 min · Maine Turnpike

  10. 10

    Keep slight left to continue on Maine Turnpike

    1.8 mi · 2 min · Maine Turnpike

  11. 11

    Take the exit slight right toward ME 9, ME 126: Gardiner, Litchfield

    1093 ft · 27 sec

  12. 12

    Continue on ME 9, ME 126: Gardiner, Litchfield

    116 m · 9 sec

  13. 13

    Enter the roundabout and take exit 2 toward Lewiston Road

    73 m · 4 sec · Lewiston Road

  14. 14

    Exit the rotary onto Lewiston Road

    1.4 mi · 2 min · Lewiston Road

  15. 15

    Continue on Cobbossee Avenue

    1.1 km · 60 sec · Cobbossee Avenue

  16. 16

    Continue on Lewiston Road

    642 ft · 11 sec · Lewiston Road

  17. 17

    Continue on Central Street

    916 ft · 15 sec · Central Street

  18. 18

    Turn straight onto Water Street

    1.4 km · 1 min · Water Street

  19. 19

    Turn left onto Bridge Street

    2616 ft · 49 sec · Bridge Street

  20. 20

    At the end of the road, turn right onto Water Street

    974 ft · 34 sec · Water Street

  21. 21

    Turn left onto Windsor Street

    1.7 mi · 3 min · Windsor Street

  22. 22

    Continue on Togus Road

    3.7 mi · 7 min · Togus Road

  23. 23

    At the end of the road, turn right onto Augusta Road

    3098 ft · 53 sec · Augusta Road

  24. 24

    Continue on Eastern Avenue

    1.1 mi · 2 min · Eastern Avenue

  25. 25

    Continue on Augusta Road

    1.5 km · 1 min · Augusta Road

  26. 26

    Continue on Augusta-Rockland Road

    4.1 mi · 6 min · Augusta-Rockland Road

  27. 27

    Continue on Rockland Road

    1.3 mi · 2 min · Rockland Road

  28. 28

    Continue on Rockland Road

    4.9 mi · 7 min · Rockland Road

  29. 29

    Continue on Augusta Road

    3.5 mi · 5 min · Augusta Road

  30. 30

    Continue on Rockland Road

    2.2 mi · 3 min · Rockland Road

  31. 31

    Continue on Heald Highway

    3.3 mi · 5 min · Heald Highway

  32. 32

    Turn right onto Common Road

    3192 ft · 1 min · Common Road

  33. 33

    Arrive at your destination

    0 m · 1 sec · Common Road

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
33 steps
13 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
57.9 / 100 mi
Decision points by distance
Main Roads
Maine Turnpike
21 mi · 37%
Rockland Road
8.42 mi · 15%
Augusta Road
5.03 mi · 9%
Augusta-Rockland Road
4.07 mi · 7%
Togus Road
3.75 mi · 7%
Heald Highway
3.33 mi · 6%
Longest Stretch

Maine Turnpike

Merge slight left onto Maine Turnpike

19.2 mi · 00h 21m

Route Summary

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

Trip Read

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.

Drive Time
01h 18m
Day trip friendly
Same-Day Return
02h 36m
Round-trip wheel time
Road vs Air
+8.9 mi
48.1 mi direct line
Halfway Stop
Gardiner
00h 39m from Auburn
Leave By
3:54 PM EDT
Morning start is best
Weather Watch

Rain Showers Likely leaving Auburn and Areas Of Fog near Union.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 57 miles (91.7 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?

Gardiner is a useful midpoint, sitting about 28.4 miles from Auburn and 28.5 miles from Union.

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 8.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:54 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.93 one way or $15.86 round trip. Estimated CO2 is about 17.9 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Auburn and Areas Of Fog near Union.

Stop Ideas Near Gardiner

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

Mid-route Guidance
Local place coverage is thin around Gardiner, 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 Gardiner.

BUS

Augusta, ME

14 mi away
9 Industrial Drive
BUS

Wiscasset, Maine

27 mi away
279 Bath Rd.
BUS

Damariscotta, Maine

29 mi away
167 Main St.
BUS

Waldoboro, Maine

34 mi away
US hwy 1 and hwy 32

Flight Path Map

This map shows the direct air route between Auburn and Union. Straight-line distance: 48.08 mi (77.38 km).

Auburn

#1 Auburn

City in Maine, USA

Population23,410
Coordinates44.0978500, -70.2311700
Altitude58
CountryUnited States
Union

#2 Union

Town in Knox County, Maine, United States

Population2,275
Coordinates44.2114700, -69.2742100
Altitude28
CountryUnited States
Start: Auburn (-70.23117, 44.09785)
End: Union (-69.27421, 44.21147)

Estimated Travel Time

Distance: 92 km by road

SpeedTime
30 mph (48.3 km/h)01h 53m
40 mph (64.37 km/h)01h 25m
50 mph (80.47 km/h)01h 08m
60 mph (96.56 km/h)00h 56m
70 mph (112.65 km/h)00h 48m
80 mph (129 km/h)00h 42m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.01 gal
7.61 L · about $7.93
Round trip
$15.86
4.02 gal · 15.22 L
Estimated CO2
17.9 kg one way
Round trip: 35.7 kg / 79 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $7.93 $15.86
Mid-grade $4.46 $8.96 $17.92
Premium $4.86 $9.76 $19.53
Diesel $6.00 $12.05 $24.11

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 Maine · Apr 16, 2026

There is no time difference between Auburn and Union. The current time is 14:23:08.

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.