Trip from South Portland Gardens, ME to Stonington, ME

Drive Time

3h 40m

Distance

163.6 mi

263 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$26

one way

EV Charging

None

0 DC fast

Best Time to Leave

Save up to 37 min
4 AM
3h 28m ★
6 AM
3h 40m
8 AM
4h 5m
10 AM
3h 49m
12 PM
3h 46m
3 PM
3h 50m
5 PM
4h 4m
8 PM
3h 33m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown South Portland Gardens, ME, ME

South Portland Gardens, ME

Brett Sayles

Trip Overview

The drive from South Portland Gardens, ME to Stonington, ME covers 163.6 miles and takes about 3h 40m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 295, Route 3, Maine Turnpike for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 49.9 miles on I 295. At current regular gas prices, budget about $26.19 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

1 planned break

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

81.8 miles from South Portland Gardens, ME

A natural place for your longest stop of the day , about 1h 40m into the drive .

Drive Character

The drive from South Portland Gardens, ME to Stonington, ME covers 163.6 miles and takes about 3h 40m, using a mix of highways and local roads.

Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 44 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 295 is the longest continuous segment at about 49.9 miles.

How Hard Is This Drive?

This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.4 miles in near ME 9 / Western Avenue.

Route Complexity 8/10

Demanding - plan breaks and stay ahead of the key maneuvers

This is a demanding drive. With 17 significant decision points across 163.6 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 0.4 miles (ME 9 / Western Avenue): Complex interchange - multiple decisions in a short stretch; at 1.4 miles (I 295): Merge point - match speed before joining. Lane positioning matters here; at 61.1 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 17 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

6
0.4 mi into trip | ~1m in | ME 9 / Western Avenue

At end of road, turn left onto ME 9 / Western Avenue

Complex interchange - multiple decisions in a short stretch

5
1.4 mi into trip | ~3m in | I 295

Merge onto I 295

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
6
61.1 mi into trip | ~1h 12m in

Take the exit toward ME 3: Augusta, Belfast

Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one

Exit 113 Toward ME 3: Augusta, Belfast
5
61.2 mi into trip | ~1h 12m in

Keep slight right at fork

Highway fork - watch signs carefully

5
61.4 mi into trip | ~1h 13m in | ME 3 / Augusta Bypass

Merge onto ME 3 / Augusta Bypass

Merge point - match speed before joining. Lane positioning matters here

Use the left / straight lanes.

Towns Along This Route

On the drive from South Portland Gardens, ME to Stonington, ME, road signs begin pointing toward Belfast along the way.

Belfast

61.1 mi in | ~1h 12m

Main Roads

Road Distance Duration
I 295 49.9 mi 57m
Route 3 17.6 mi 21m
Maine Turnpike 9.8 mi 10m
North Belfast Avenue 8.1 mi 11m
Acadia Highway 7.3 mi 8m
West Main Street 7 mi 8m
East Main Street 6.3 mi 7m
North Penobscot Road 5 mi 8m
Longest stretch: I 295 — 49.9 mi, about 57m

Turn-by-Turn Driving Directions

Step-by-step road directions between South Portland Gardens, ME and Stonington, ME.

1

Start on Devereaux Circle

0.2 mi · 50 sec · Devereaux Circle
2

Turn right onto Westbrook Street

0.2 mi · 27 sec · Westbrook Street
3

At end of road, turn left onto ME 9

208 ft · 7 sec · Western Avenue
4

Continue on ME 9

0.1 mi · 15 sec · Westbrook Street
5

Take the ramp

0.8 mi · 1 min
Toward I 295 North: Portland
6

Merge onto I 295

50 mi · 57 min · I 295
Use the straight / slight right lanes.
7

Merge onto I 95

9.8 mi · 10 min · Maine Turnpike
8

Take the exit

0.1 mi · 26 sec
Exit 113 Toward ME 3: Augusta, Belfast
9

Keep slight right at fork

0.2 mi · 20 sec
10

Merge onto ME 3

2.5 mi · 3 min · Augusta Bypass
Use the left / straight lanes.
11

Continue on US 202; ME 3; ME 9

8.1 mi · 11 min · North Belfast Avenue
Use the straight lane.
12

Continue on US 202; ME 3; ME 9

0.2 mi · 16 sec · Belfast Road
13

Continue on US 202; ME 3; ME 9

18 mi · 21 min · Route 3
Use the straight lane.
14

Continue on ME 3

4.0 mi · 4 min · Acadia Highway
15

Continue on ME 3

3.4 mi · 3 min · Belfast Augusta Road West
16

Continue on ME 3

4.8 mi · 5 min · Augusta Road
17

Continue on ME 3

4.0 mi · 4 min · Belmont Avenue
18

Take the exit onto ME 3

0.3 mi · 43 sec · ME 3
19

Merge onto US 1; ME 3

0.7 mi · 1 min · Route 1
20

Continue on US 1; ME 3

2.7 mi · 4 min · Searsport Avenue
Use the left lane.
21

Continue on US 1; ME 3

7.0 mi · 8 min · West Main Street
22

Keep slight right at fork onto US 1; ME 3

6.3 mi · 7 min · East Main Street
23

Continue on US 1; ME 3

1.2 mi · 2 min · US Highway 1
24

Continue on US 1; ME 3

508 ft · 12 sec · Route 1
25

Continue on US 1; ME 3; ME 15

1.0 mi · 1 min · Route 1
26

Continue on US 1; ME 3; ME 15

3.4 mi · 3 min · Acadia Highway
27

Turn right onto ME 15

3.7 mi · 5 min · Front Ridge Road
Use the right lane.
28

Turn right onto ME 199

5.0 mi · 8 min · North Penobscot Road
29

At end of road, turn left onto ME 175

4.6 mi · 8 min · Southern Bay Road
30

Continue on ME 175

2.6 mi · 4 min · Graytown Road
31

Continue on ME 15

2.9 mi · 5 min · Snows Cove Road
32

Continue on ME 15; ME 175

2.9 mi · 5 min · Caterpillar Hill Road
33

At end of road, turn right onto ME 15

1.3 mi · 2 min · Byards Point Road
34

Continue on ME 15

0.5 mi · 50 sec · Deer Isle Sedgwick Bridge
35

Continue on ME 15

1.0 mi · 1 min · Little Deer Isle Road
36

Continue on ME 15

4.6 mi · 8 min · North Deer Isle Road
37

Continue on ME 15

0.5 mi · 51 sec · Church Street
38

Continue on ME 15

3.5 mi · 6 min · South Deer Isle Road
39

Continue on ME 15

1.5 mi · 2 min · North Main Street
40

Continue on ME 15

0.1 mi · 10 sec · Thurlows Hill Road
41

Continue on ME 15

0.2 mi · 25 sec · Main Street
42

Turn right onto School Street

335 ft · 14 sec · School Street
43

Turn left onto Church Street

113 ft · 5 sec · Church Street
44

Arrive at destination

Church Street

Trip Plan

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 81.8 miles from South Portland Gardens, ME, or about 1h 40m into the drive.
The longest continuous stretch on this route runs about 49.9 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 80 miles or 1h 38m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 81.8 miles or 1h 40m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 2h 47m

Traffic, exits, and arrival timing usually matter more near Stonington, ME than in the middle of the route.

Before You Leave

+

Open the route before leaving South Portland Gardens, ME so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from South Portland Gardens, ME

This is one driving day of about 163.6 miles and 3h 40m.

Your first comfortable stop window is around 80 miles from South Portland Gardens, ME.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 295 for about 49.9 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 81.8 mi from South Portland Gardens, ME · 1h 40m into the drive

Downtown Brunswick, ME, ME

Mid-route town

Meal stop

Brunswick, ME

82 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Brunswick, ME

Fuel and coffee

A short stop after about 80 miles helps settle the day before fatigue starts building.

Brunswick, ME

Meal break

The midpoint is around 81.8 miles from South Portland Gardens, ME, which is a good place for a longer meal and fuel stop.

Arriving in Stonington, ME

The final approach into Stonington, ME usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Stonington, ME.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

National Parks Near This Route

Worth a detour if your schedule allows.

Frances Perkins National Monument

Frances Perkins National Monument

National Monument

Known as the first woman to hold a presidential cabinet position and the “Woman behind the New Deal,” Frances Perkins championed many labor rights that Americans enjoy today, including safety standard...

17 mi from route ~42 min detour Free near mile 39.5
Park Closure: For Current Visitor Information
View on nps.gov
Acadia National Park

Acadia National Park

National Park

Acadia National Park protects the natural beauty of the highest rocky headlands along the Atlantic coastline of the United States, an abundance of habitats, and a rich cultural heritage. At 4 million...

21 mi from route ~53 min detour $6 near mile 146.6
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

Fuel & Cost

Regular Gas

$26.19 one way

$52.38 round trip

$4.07/gal 25.4 MPG avg 57 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.46 $28.71 $57.41
premium $4.83 $31.10 $62.19
diesel $5.64 $36.35 $72.69

Estimated Tolls: $0.59

Maine Turnpike (9.8 mi) $0.59

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Estimated Trip Cost (one way, 1 person)

Fuel

$26

Tolls

$1

Meals

$25–$50

Total

$52–$77

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 57.2 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $17 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 49.1 0 $17.18 $7.85
Efficient EV 40.9 0 $14.31 $6.54
EV Truck/SUV 65.4 0 $22.90 $10.47

Gas CO2

57 kg

EV CO2

19 kg (67% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast data refreshed 3 days ago

Origin

South Portland Gardens, ME

Morning in South Portland Gardens on Monday

Local time

8:24 AM

EDT

Current temp

61°F

Unavailable

Live forecast

Destination

Stonington, ME

Morning in Stonington on Monday

Local time

8:24 AM

EDT

Current temp

51°F

Unavailable

Live forecast

Along the Route

43°F

Brunswick, ME

82 mi in

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

10 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

3h 40m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from South Portland Gardens, ME to Stonington, ME covers 163.6 miles and takes about 3h 40m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 295, Route 3, Maine Turnpike. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 81.8 miles from South Portland Gardens, ME. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $26.19 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a demanding drive. With 17 significant decision points across 163.6 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 0.4 miles (ME 9 / Western Avenue): Complex interchange - multiple decisions in a short stretch; at 1.4 miles (I 295): Merge point - match speed before joining. Lane positioning matters here; at 61.1 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
On the drive from South Portland Gardens, ME to Stonington, ME, road signs begin pointing toward Belfast along the way.

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Explore More

Return Trip

Stonington, ME to South Portland Gardens, ME

Plan the drive back the other way.

161.8 mi 3h 40m

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