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

The driving distance from Bangor, ME to Southwest Harbor, ME is about 46.7 miles (75.1 km), with a travel time of about 01h 17m by car.

  • The straight-line flight distance is about 42.4 miles (68.2 km).
  • For a round trip, plan for roughly 02h 34m 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
46.68 mi
01h 17m
Flight
42.37 mi
68.18 km direct

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

Learn Distance

Choose another destination from Bangor.

Flight Distance

Direct air line
42.37 mi
Kilometers
68.18 km
Flight Time
00h 05m

Driving Distance

Road route
46.68 mi
Kilometers
75.13 km
Drive Time
01h 17m

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 17m.

Arrival Snapshot
Arrive in Southwest Harbor
Sat, Apr 18, 1:45 AM EDT
Return by in Bangor
Sat, Apr 18, 3:02 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bangor
2026-04-18T00:27
Arrive Southwest Harbor
Sat, Apr 18, 1:45 AM EDT
Route Timing
01h 17m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:17 AM to 11:17 AM EDT

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

Leave by
3:56 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Bangor
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
Ellsworth
ME

City in Maine

From Bangor
23.3 mi
00h 38m
To Southwest Harbor
23.4 mi
00h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Saturday

Partly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
6 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 Bangor and Southwest Harbor.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Hammond Street

    22 m · 4 sec · Hammond Street

  2. 2

    Turn slight right onto Union Street

    3072 ft · 1 min · Union Street

  3. 3

    Continue on Wilson Street

    3.4 mi · 6 min · Wilson Street

  4. 4

    Continue on Main Road

    12.1 mi · 19 min · Main Road

  5. 5

    Continue on Bangor Road

    8.9 mi · 13 min · Bangor Road

  6. 6

    Continue on State Street

    1 mi · 2 min · State Street

  7. 7

    Continue on Oak Street

    3144 ft · 2 min · Oak Street

  8. 8

    Continue on High Street

    2.7 mi · 6 min · High Street

  9. 9

    Continue on Bar Harbor Road

    6.7 mi · 12 min · Bar Harbor Road

  10. 10

    Turn slight right onto State Highway 102

    3.7 mi · 6 min · State Highway 102

  11. 11

    Continue on Main Street

    7 mi · 10 min · Main Street

  12. 12

    Turn left onto Clark Point Road

    72 m · 6 sec · Clark Point Road

  13. 13

    Arrive at your destination

    0 m · 1 sec · Clark Point Road

Car Route Details

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

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
13 steps
3 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
27.8 / 100 mi
Decision points by distance
Main Roads
Main Road
12.1 mi · 26%
Bangor Road
8.85 mi · 19%
Main Street
6.96 mi · 15%
Bar Harbor Road
6.69 mi · 14%
State Highway 102
3.71 mi · 8%
Wilson Street
3.37 mi · 7%
Longest Stretch

Main Road

Continue on Main Road

12.1 mi · 00h 19m

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 17m
Day trip friendly
Same-Day Return
02h 34m
Round-trip wheel time
Road vs Air
+4.3 mi
42.4 mi direct line
Halfway Stop
Ellsworth
00h 38m from Bangor
Leave By
3:56 PM EDT
Morning start is best
Weather Watch

Partly Sunny leaving Bangor 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 Bangor to Southwest Harbor?

The road trip is about 46.7 miles (75.1 km) and usually takes 01h 17m 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?

Ellsworth is a useful midpoint, sitting about 23.3 miles from Bangor and 23.4 miles from Southwest Harbor.

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

The direct path is about 42.4 miles (68.2 km), while the road route adds roughly 4.3 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 3:56 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.51 one way or $13.02 round trip. Estimated CO2 is about 14.7 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Bangor and Patchy Fog near Southwest Harbor.

Stop Ideas Near Ellsworth

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 Ellsworth and the surrounding midpoint area.
Stop photo coming soon
Scenic stop 3 mi away

City Hall Plaza parking lot

Ellsworth , ME
09130_136189000000, Ellsworth, ME 04605
Parking lot
Downeast transportation — Ellsworth City Hall Bus Stop
Practical stop 3 mi away

Downeast transportation — Ellsworth City Hall Bus Stop

Ellsworth , ME
09130_136189000000, Ellsworth, ME 04605
Rating 4.0/5 2 reviews Transportation service
Ellsworth City Hall
Meeting point 3 mi away

Ellsworth City Hall

Ellsworth , ME
1 City Hall Plaza, Ellsworth, ME 04605
Rating 4.7/5 3 reviews City government office
Ellsworth Police Department
Nearby stop 3 mi away

Ellsworth Police Department

Ellsworth , ME
1 City Hall Plaza, Ellsworth, ME 04605
Rating 3.4/5 8 reviews Police department

Transit and Meeting Points

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

BUS

Searsport, Maine

40 mi away
161 East Main St.
BUS

Bangor, Maine

44 mi away
1039 Union St.
BUS

Orono (University of Maine), Maine

45 mi away
Squapan Rd and Gym Dr
BUS

Belfast, Maine

50 mi away
Belmont Ave & US Hwy 1

Flight Path Map

This map shows the direct air route between Bangor and Southwest Harbor. Straight-line distance: 42.37 mi (68.18 km).

Bangor

#1 Bangor

City in Penobscot County, Maine, USA

Population31,998
Coordinates44.8011800, -68.7778100
Altitude36
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: Bangor (-68.77781, 44.80118)
End: Southwest Harbor (-68.32502, 44.2798)

Estimated Travel Time

Distance: 75 km by road

SpeedTime
30 mph (48.3 km/h)01h 33m
40 mph (64.37 km/h)01h 10m
50 mph (80.47 km/h)00h 56m
60 mph (96.56 km/h)00h 46m
70 mph (112.65 km/h)00h 40m
80 mph (129 km/h)00h 34m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.65 gal
6.24 L · about $6.51
Round trip
$13.02
3.3 gal · 12.48 L
Estimated CO2
14.7 kg one way
Round trip: 29.3 kg / 65 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $6.51 $13.02
Mid-grade $4.46 $7.35 $14.71
Premium $4.86 $8.02 $16.03
Diesel $6.00 $9.90 $19.79

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 Bangor and Southwest Harbor. The current time is 00:27:58.

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.