How far is Bangor, ME from South Portland, ME?

The driving distance from Bangor, ME to South Portland, ME is about 132.4 miles (213.1 km), with a travel time of about 02h 02m by car.

  • The straight-line flight distance is about 108 miles (173.8 km).
  • For a round trip, plan for roughly 04h 04m 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
132.41 mi
02h 02m
Flight
108.02 mi
173.84 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
108.02 mi
Kilometers
173.84 km
Flight Time
00h 13m

Driving Distance

Road route
132.41 mi
Kilometers
213.1 km
Drive Time
02h 02m

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 02h 02m.

Arrival Snapshot
Arrive in South Portland
Tue, May 5, 10:10 PM EDT
Return by in Bangor
Wed, May 6, 12:12 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bangor
2026-05-05T20:07
Arrive South Portland
Tue, May 5, 10:10 PM EDT
Route Timing
02h 02m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:02 AM to 12:02 PM EDT

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

Leave by
2:26 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
Sidney
ME

Town in Maine, United States

From Bangor
66 mi
01h 01m
To South Portland
66.4 mi
01h 01m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Tuesday

Mostly Sunny

Starts
Tue, May 5 6:00 AM EDT
Wind
8 to 17 mph S
Destination
South Portland Weather
ME
Live fallback forecast
60°F
Tuesday
Using Portland as the closest live forecast in the Cumberland County weather hub.

Mostly Sunny

Starts
Tue, May 5 6:00 AM EDT
Wind
15 to 30 mph S

Driving Route Map

The map below follows the saved road route between Bangor and South Portland.

Turn-by-Turn Driving Directions

Step-by-step road directions between Bangor and South Portland.

  1. 1

    Start on Hammond Street

    1.2 mi · 4 min · Hammond Street

  2. 2

    Take the ramp slight right

    1553 ft · 39 sec

  3. 3

    Merge slight left

    80.1 mi · 1 hr 27 min

  4. 4

    Keep slight right to continue on I 295 South, ME 9, ME 126: Gardiner, Brunswick

    46.5 mi · 53 min

  5. 5

    Take the exit slight right toward US 1A

    2130 ft · 1 min

  6. 6

    Turn right onto Marginal Way

    2795 ft · 1 min · Marginal Way

  7. 7

    Continue on State Street

    1.6 km · 2 min · State Street

  8. 8

    Continue on Casco Bay Bridge

    1.1 mi · 2 min · Casco Bay Bridge

  9. 9

    Continue on Broadway

    1.6 km · 2 min · Broadway

  10. 10

    Turn sharp right onto Pine Street

    18 m · 3 sec · Pine Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · Pine Street

Car Route Details

A richer read on the saved driving route between Bangor and South Portland.

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
11 steps
2 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
8.3 / 100 mi
Decision points by distance
Main Roads
Hammond Street
81.6 mi · 62%
I 295 South
46.5 mi · 35%
Casco Bay Bridge
1.14 mi · 1%
State Street
0.98 mi · 1%
Broadway
0.98 mi · 1%
Marginal Way
0.53 mi
Longest Stretch

Hammond Street

Merge slight left

80.1 mi · 01h 27m

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
02h 02m
Day trip friendly
Same-Day Return
04h 04m
Round-trip wheel time
Road vs Air
+24.4 mi
108 mi direct line
Halfway Stop
Sidney
01h 01m from Bangor
Leave By
2:26 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Bangor and Mostly Sunny near South Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Bangor to South Portland?

The road trip is about 132.4 miles (213.1 km) and usually takes 02h 02m 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?

Sidney is a useful midpoint, sitting about 66 miles from Bangor and 66.4 miles from South Portland.

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

The direct path is about 108 miles (173.8 km), while the road route adds roughly 24.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:26 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $18.42 one way or $36.85 round trip. Estimated CO2 is about 41.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Bangor and Mostly Sunny near South Portland.

Stop Ideas Near Sidney

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 Sidney and the surrounding midpoint area.
Waterville Opera House
Scenic stop 9.8 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
Augusta City Hall
Meeting point 8 mi away

Augusta City Hall

Augusta , ME
16 Cony St, Augusta, ME 04330
Rating 4.1/5 22 reviews City Hall
Stop photo coming soon
Nearby stop 8 mi away

Inn At City Hall

Augusta , ME
1 Cony St, Augusta, ME 04330
Rating 5.0/5 1 reviews Retirement home

Transit and Meeting Points

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

BUS

Augusta, ME

8 mi away
9 Industrial Drive
BUS

Waldoboro, Maine

44 mi away
US hwy 1 and hwy 32
BUS

Damariscotta, Maine

45 mi away
167 Main St.
BUS

Wiscasset, Maine

47 mi away
279 Bath Rd.

Flight Path Map

This map shows the direct air route between Bangor and South Portland. Straight-line distance: 108.02 mi (173.84 km).

Bangor

#1 Bangor

City in Penobscot County, Maine, USA

Population31,998
Coordinates44.8011800, -68.7778100
Altitude36
CountryUnited States
South Portland

#2 South Portland

City in Cumberland County, Maine, USA

Population25,950
Coordinates43.6414700, -70.2408800
Altitude7
CountryUnited States
Start: Hammond Street (-68.777856, 44.801175)
End: Pine Street (-70.240981, 43.641461)

Estimated Travel Time

Distance: 213 km by road

SpeedTime
30 mph (48.3 km/h)04h 24m
40 mph (64.37 km/h)03h 18m
50 mph (80.47 km/h)02h 38m
60 mph (96.56 km/h)02h 12m
70 mph (112.65 km/h)01h 53m
80 mph (129 km/h)01h 39m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.67 gal
17.69 L · about $18.42
Round trip
$36.85
9.34 gal · 35.38 L
Estimated CO2
41.5 kg one way
Round trip: 83 kg / 183 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $18.42 $36.85
Mid-grade $4.46 $20.81 $41.63
Premium $4.86 $22.69 $45.37
Diesel $6.00 $28.01 $56.01

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 · May 06, 2026

There is no time difference between Bangor and South Portland. The current time is 20:07:50.

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.