How far is Scarborough, ME from Southwest Harbor, ME?

The driving distance from Scarborough, ME to Southwest Harbor, ME is about 167.9 miles (270.2 km), with a travel time of about 03h 35m by car.

  • The straight-line flight distance is about 110.5 miles (177.9 km).
  • For a round trip, plan for roughly 07h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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
167.92 mi
03h 35m
Flight
110.55 mi
177.91 km direct

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

Learn Distance

Choose another destination from Scarborough.

Flight Distance

Direct air line
110.55 mi
Kilometers
177.91 km
Flight Time
00h 13m

Driving Distance

Road route
167.92 mi
Kilometers
270.24 km
Drive Time
03h 35m

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 03h 35m.

Arrival Snapshot
Arrive in Southwest Harbor
Sat, Apr 18, 3:55 AM EDT
Return by in Scarborough
Sat, Apr 18, 7:30 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Scarborough
2026-04-18T00:20
Arrive Southwest Harbor
Sat, Apr 18, 3:55 AM EDT
Route Timing
03h 35m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:35 AM to 11:35 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:50 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Scarborough
9:00 PM EDT
Early departure recommended

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
Palermo
ME

Town in Waldo County, Maine, United States of America

From Scarborough
83.9 mi
01h 47m
To Southwest Harbor
84 mi
01h 47m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
49°F
Saturday

Mostly Cloudy

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 10 mph E
Destination
Southwest Harbor Weather
ME
Live fallback forecast
46°F
Saturday
Using Bar Harbor as the closest live forecast in the Hancock County weather hub.

Patchy Fog

Starts
Sat, Apr 18 6:00 AM EDT
Wind
12 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Scarborough and Southwest Harbor.

  1. 1

    Start on Highland Avenue

    81 m · 11 sec · Highland Avenue

  2. 2

    Turn right onto Black Point Road

    1.2 mi · 3 min · Black Point Road

  3. 3

    Turn right onto Route 1

    1.1 mi · 2 min · Route 1

  4. 4

    Keep slight left to continue on Scarborough Connector

    2.1 mi · 3 min · Scarborough Connector

  5. 5

    Merge slight left

    50.4 mi · 58 min

  6. 6

    Merge slight left onto Maine Turnpike

    9.8 mi · 11 min · Maine Turnpike

  7. 7

    Take the exit slight right toward ME 3: Augusta, Belfast

    767 ft · 26 sec

  8. 8

    Keep slight right

    834 ft · 20 sec

  9. 9

    Merge slight left onto Augusta Bypass

    2.5 mi · 4 min · Augusta Bypass

  10. 10

    Continue on North Belfast Avenue

    8.1 mi · 12 min · North Belfast Avenue

  11. 11

    Continue on Belfast Road

    1077 ft · 17 sec · Belfast Road

  12. 12

    Continue on Route 3

    17.6 mi · 21 min · Route 3

  13. 13

    Continue on Acadia Highway

    4 mi · 4 min · Acadia Highway

  14. 14

    Continue on Belfast Augusta Road West

    3.4 mi · 4 min · Belfast Augusta Road West

  15. 15

    Continue on Augusta Road

    4.8 mi · 5 min · Augusta Road

  16. 16

    Continue on Belmont Avenue

    4 mi · 5 min · Belmont Avenue

  17. 17

    Take the exit left

    1586 ft · 44 sec

  18. 18

    Merge slight left onto Route 1

    1.1 km · 1 min · Route 1

  19. 19

    Continue on Searsport Avenue

    2.7 mi · 5 min · Searsport Avenue

  20. 20

    Continue on West Main Street

    7 mi · 8 min · West Main Street

  21. 21

    Keep slight right to continue on East Main Street

    6.3 mi · 8 min · East Main Street

  22. 22

    Continue on US Highway 1

    1.2 mi · 3 min · US Highway 1

  23. 23

    Continue on Route 1

    155 m · 12 sec · Route 1

  24. 24

    Continue on Route 1

    1 mi · 1 min · Route 1

  25. 25

    Continue on Acadia Highway

    9.4 mi · 11 min · Acadia Highway

  26. 26

    Continue on Bucksport Road

    8.5 mi · 10 min · Bucksport Road

  27. 27

    Continue on West Main Street

    1116 ft · 17 sec · West Main Street

  28. 28

    Turn right onto Water Street

    1.3 km · 1 min · Water Street

  29. 29

    Continue on Bayside Road

    1 mi · 2 min · Bayside Road

  30. 30

    Turn left onto Beechland Road

    1 mi · 2 min · Beechland Road

  31. 31

    Turn right onto High Street

    1.1 km · 1 min · High Street

  32. 32

    Continue on Bar Harbor Road

    6.7 mi · 12 min · Bar Harbor Road

  33. 33

    Turn slight right onto State Highway 102

    3.7 mi · 6 min · State Highway 102

  34. 34

    Continue on Main Street

    7 mi · 10 min · Main Street

  35. 35

    Turn left onto Clark Point Road

    72 m · 6 sec · Clark Point Road

  36. 36

    Arrive at your destination

    0 m · 1 sec · Clark Point Road

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
36 steps
8 turns on the saved route
Ramps & Exits
6
4 merges, 2 ramps or exits
Navigation Density
21.4 / 100 mi
Decision points by distance
Main Roads
Scarborough Connector
52.5 mi · 31%
Route 3
17.6 mi · 10%
Acadia Highway
13.4 mi · 8%
Maine Turnpike
9.8 mi · 6%
Bucksport Road
8.5 mi · 5%
North Belfast Avenue
8.06 mi · 5%
Longest Stretch

Scarborough Connector

Merge slight left

50.4 mi · 00h 58m

Route Summary

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

Trip Read

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.

Drive Time
03h 35m
Long day trip
Same-Day Return
07h 10m
Round-trip wheel time
Road vs Air
+57.4 mi
110.5 mi direct line
Halfway Stop
Palermo
01h 47m from Scarborough
Leave By
9:50 AM EDT
Early departure recommended
Weather Watch

Mostly Cloudy leaving Scarborough and Patchy Fog near Southwest Harbor.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Scarborough to Southwest Harbor?

The road trip is about 167.9 miles (270.2 km) and usually takes 03h 35m 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?

Palermo is a useful midpoint, sitting about 83.9 miles from Scarborough and 84 miles from Southwest Harbor.

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

The direct path is about 110.5 miles (177.9 km), while the road route adds roughly 57.4 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 EDT. If you want a more comfortable same-day return, try to leave by 9:50 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.39 one way or $46.79 round trip. Estimated CO2 is about 52.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Scarborough and Patchy Fog near Southwest Harbor.

Stop Ideas Near Palermo

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Palermo and the surrounding midpoint area.
Waterville Opera House
Scenic stop 13.2 mi away

Waterville Opera House

Waterville , ME
1 Common St, Waterville, ME 04901
Rating 4.7/5 291 reviews Opera house,Comedy club,Concert hall,Historical landmark,Performing arts theater
Sidney Town Hall
Meeting point 13.8 mi away

Sidney Town Hall

Sidney , ME
2986 Middle Rd, Sidney, ME 04330
Rating 4.9/5 10 reviews City Hall

Transit and Meeting Points

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

BUS

Augusta, ME

26 mi away
9 Industrial Drive
BUS

Waldoboro, Maine

35 mi away
US hwy 1 and hwy 32
BUS

Belfast, Maine

36 mi away
Belmont Ave & US Hwy 1
BUS

Camden/Rockport, Maine

38 mi away
234 Park St.

Flight Path Map

This map shows the direct air route between Scarborough and Southwest Harbor. Straight-line distance: 110.55 mi (177.91 km).

Scarborough

#1 Scarborough

Town in Cumberland County, Maine, United States

Population21,527
Coordinates43.5781400, -70.3217200
Altitude6
CountryUnited States
Southwest Harbor

#2 Southwest Harbor

City in Hancock County, Maine, United States of America

Population1,793
Coordinates44.2798000, -68.3250200
Altitude13
CountryUnited States
Start: Scarborough (-70.32172, 43.57814)
End: Southwest Harbor (-68.32502, 44.2798)

Estimated Travel Time

Distance: 270 km by road

SpeedTime
30 mph (48.3 km/h)05h 35m
40 mph (64.37 km/h)04h 11m
50 mph (80.47 km/h)03h 21m
60 mph (96.56 km/h)02h 47m
70 mph (112.65 km/h)02h 23m
80 mph (129 km/h)02h 05m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.93 gal
22.43 L · about $23.39
Round trip
$46.79
11.86 gal · 44.86 L
Estimated CO2
52.7 kg one way
Round trip: 105.4 kg / 232 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $23.39 $46.79
Mid-grade $4.46 $26.43 $52.86
Premium $4.86 $28.81 $57.62
Diesel $6.00 $35.56 $71.12

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 Scarborough and Southwest Harbor. The current time is 00:20:32.

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.