How far is Union, ME from Scarborough, ME?

The driving distance from Union, ME to Scarborough, ME is about 85.3 miles (137.3 km), with a travel time of about 01h 54m by car.

  • The straight-line flight distance is about 68.1 miles (109.6 km).
  • For a round trip, plan for roughly 03h 49m 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
85.29 mi
01h 54m
Flight
68.08 mi
109.56 km direct

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

Learn Distance

Choose another destination from Union.

Flight Distance

Direct air line
68.08 mi
Kilometers
109.56 km
Flight Time
00h 08m

Driving Distance

Road route
85.29 mi
Kilometers
137.26 km
Drive Time
01h 54m

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 54m.

Arrival Snapshot
Arrive in Scarborough
Sat, Apr 18, 3:44 AM EDT
Return by in Union
Sat, Apr 18, 5:39 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union
2026-04-18T01:49
Arrive Scarborough
Sat, Apr 18, 3:44 AM EDT
Route Timing
01h 54m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:55 AM to 11:55 AM EDT

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

Leave by
2:40 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Union
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
Bowdoinham
ME

City in Sagadahoc County, Maine, United States of America

From Union
42.6 mi
00h 57m
To Scarborough
42.7 mi
00h 57m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Saturday

Partly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 mph E
Destination
49°F
Saturday

Mostly Cloudy

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 10 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Common Road

    3192 ft · 2 min · Common Road

  2. 2

    At the end of the road, turn left onto Heald Highway

    3.3 mi · 5 min · Heald Highway

  3. 3

    Continue on Rockland Road

    2.2 mi · 3 min · Rockland Road

  4. 4

    Continue on Augusta Road

    3.5 mi · 5 min · Augusta Road

  5. 5

    Continue on Rockland Road

    6.2 mi · 9 min · Rockland Road

  6. 6

    Continue on Augusta-Rockland Road

    4.1 mi · 6 min · Augusta-Rockland Road

  7. 7

    Continue on Augusta Road

    1.5 km · 1 min · Augusta Road

  8. 8

    Continue on Eastern Avenue

    1.1 mi · 2 min · Eastern Avenue

  9. 9

    Continue on Augusta Road

    3098 ft · 59 sec · Augusta Road

  10. 10

    Turn left onto Togus Road

    3.7 mi · 7 min · Togus Road

  11. 11

    Continue on Windsor Street

    1.7 mi · 3 min · Windsor Street

  12. 12

    Turn right onto Water Street

    1025 ft · 35 sec · Water Street

  13. 13

    Turn left onto Bridge Street

    2616 ft · 48 sec · Bridge Street

  14. 14

    Continue on Brunswick Avenue

    4.8 mi · 7 min · Brunswick Avenue

  15. 15

    Take the ramp left

    1832 ft · 45 sec

  16. 16

    Merge slight left

    46.8 mi · 54 min

  17. 17

    Keep slight right to continue on Scarborough Connector

    2.1 mi · 3 min · Scarborough Connector

  18. 18

    Turn straight onto Route 1

    1.2 mi · 3 min · Route 1

  19. 19

    Turn left onto Black Point Road

    1.2 mi · 3 min · Black Point Road

  20. 20

    Turn left onto Highland Avenue

    81 m · 8 sec · Highland Avenue

  21. 21

    Arrive at your destination

    0 m · 1 sec · Highland Avenue

Car Route Details

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

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
21 steps
7 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
24.6 / 100 mi
Decision points by distance
Main Roads
Brunswick Avenue
52 mi · 61%
Rockland Road
8.42 mi · 10%
Augusta Road
5.03 mi · 6%
Augusta-Rockland Road
4.07 mi · 5%
Togus Road
3.75 mi · 4%
Heald Highway
3.33 mi · 4%
Longest Stretch

Brunswick Avenue

Merge slight left

46.8 mi · 00h 54m

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 54m
Day trip friendly
Same-Day Return
03h 50m
Round-trip wheel time
Road vs Air
+17.2 mi
68.1 mi direct line
Halfway Stop
Bowdoinham
00h 57m from Union
Leave By
2:40 PM EDT
Morning start is best
Weather Watch

Partly Sunny leaving Union and Mostly Cloudy near Scarborough.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 85.3 miles (137.3 km) and usually takes 01h 54m 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?

Bowdoinham is a useful midpoint, sitting about 42.6 miles from Union and 42.7 miles from Scarborough.

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

The direct path is about 68.1 miles (109.6 km), while the road route adds roughly 17.2 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 2:40 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.87 one way or $23.75 round trip. Estimated CO2 is about 26.7 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Union and Mostly Cloudy near Scarborough.

Stop Ideas Near Bowdoinham

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

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

BUS

Bath, Maine

12 mi away
10 State Rd
BUS

Brunswick Maine Street Station

12 mi away
101 Bath Rd.
BUS

Wiscasset, Maine

17 mi away
279 Bath Rd.
RAIL

Freeport

24 mi away
36 Depot Street

Flight Path Map

This map shows the direct air route between Union and Scarborough. Straight-line distance: 68.08 mi (109.56 km).

Union

#1 Union

Town in Knox County, Maine, United States

Population2,275
Coordinates44.2114700, -69.2742100
Altitude28
CountryUnited States
Scarborough

#2 Scarborough

Town in Cumberland County, Maine, United States

Population21,527
Coordinates43.5781400, -70.3217200
Altitude6
CountryUnited States
Start: Union (-69.27421, 44.21147)
End: Scarborough (-70.32172, 43.57814)

Estimated Travel Time

Distance: 137 km by road

SpeedTime
30 mph (48.3 km/h)02h 50m
40 mph (64.37 km/h)02h 07m
50 mph (80.47 km/h)01h 42m
60 mph (96.56 km/h)01h 25m
70 mph (112.65 km/h)01h 13m
80 mph (129 km/h)01h 03m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.01 gal
11.39 L · about $11.87
Round trip
$23.75
6.02 gal · 22.78 L
Estimated CO2
26.7 kg one way
Round trip: 53.5 kg / 118 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $11.87 $23.75
Mid-grade $4.46 $13.42 $26.83
Premium $4.86 $14.62 $29.25
Diesel $6.00 $18.05 $36.10

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 18, 2026

There is no time difference between Union and Scarborough. The current time is 01:49:32.

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.