How far is South Portland Gardens, ME from Stonington, ME?

The driving distance from South Portland Gardens, ME to Stonington, ME is about 163.5 miles (263.2 km), with a travel time of about 03h 40m by car.

  • The straight-line flight distance is about 89.5 miles (144.1 km).
  • For a round trip, plan for roughly 07h 20m 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
163.56 mi
03h 40m
Flight
89.52 mi
144.07 km direct

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

Learn Distance

Choose another destination from South Portland Gardens.

Flight Distance

Direct air line
89.52 mi
Kilometers
144.07 km
Flight Time
00h 10m

Driving Distance

Road route
163.56 mi
Kilometers
263.22 km
Drive Time
03h 40m

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 40m.

Arrival Snapshot
Arrive in Stonington
Sat, Apr 18, 10:10 AM EDT
Return by in South Portland Gardens
Sat, Apr 18, 1:50 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Portland Gardens
2026-04-18T06:30
Arrive Stonington
Sat, Apr 18, 10:10 AM EDT
Route Timing
03h 40m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:40 AM to 11:40 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
9:40 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in South Portland Gardens
9:00 PM EDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

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 South Portland Gardens
81.7 mi
01h 50m
To Stonington
81.8 mi
01h 50m

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
46°F
Saturday

Patchy Fog then Partly Sunny

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

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Devereaux Circle

    1156 ft · 51 sec · Devereaux Circle

  2. 2

    Turn right onto Westbrook Street

    813 ft · 28 sec · Westbrook Street

  3. 3

    At the end of the road, turn left onto Western Avenue

    63 m · 8 sec · Western Avenue

  4. 4

    Continue on Westbrook Street

    531 ft · 15 sec · Westbrook Street

  5. 5

    Take the ramp slight right toward I 295 North: Portland

    1.4 km · 2 min

  6. 6

    Merge slight left

    49.9 mi · 58 min

  7. 7

    Merge slight left onto Maine Turnpike

    9.8 mi · 11 min · Maine Turnpike

  8. 8

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

    767 ft · 26 sec

  9. 9

    Keep slight right

    834 ft · 20 sec

  10. 10

    Merge slight left onto Augusta Bypass

    2.5 mi · 4 min · Augusta Bypass

  11. 11

    Continue on North Belfast Avenue

    8.1 mi · 12 min · North Belfast Avenue

  12. 12

    Continue on Belfast Road

    1077 ft · 17 sec · Belfast Road

  13. 13

    Continue on Route 3

    17.6 mi · 21 min · Route 3

  14. 14

    Continue on Acadia Highway

    4 mi · 4 min · Acadia Highway

  15. 15

    Continue on Belfast Augusta Road West

    3.4 mi · 4 min · Belfast Augusta Road West

  16. 16

    Continue on Augusta Road

    4.8 mi · 5 min · Augusta Road

  17. 17

    Continue on Belmont Avenue

    4 mi · 5 min · Belmont Avenue

  18. 18

    Take the exit left

    1586 ft · 44 sec

  19. 19

    Merge slight left onto Route 1

    1.1 km · 1 min · Route 1

  20. 20

    Continue on Searsport Avenue

    2.7 mi · 5 min · Searsport Avenue

  21. 21

    Continue on West Main Street

    7 mi · 8 min · West Main Street

  22. 22

    Keep slight right to continue on East Main Street

    6.3 mi · 8 min · East Main Street

  23. 23

    Continue on US Highway 1

    1.2 mi · 3 min · US Highway 1

  24. 24

    Continue on Route 1

    155 m · 12 sec · Route 1

  25. 25

    Continue on Route 1

    1 mi · 1 min · Route 1

  26. 26

    Continue on Acadia Highway

    3.4 mi · 4 min · Acadia Highway

  27. 27

    Turn right onto Front Ridge Road

    3.7 mi · 6 min · Front Ridge Road

  28. 28

    Turn right onto North Penobscot Road

    5 mi · 9 min · North Penobscot Road

  29. 29

    At the end of the road, turn left onto Southern Bay Road

    4.6 mi · 8 min · Southern Bay Road

  30. 30

    Continue on Graytown Road

    2.6 mi · 5 min · Graytown Road

  31. 31

    Continue on Snows Cove Road

    2.9 mi · 5 min · Snows Cove Road

  32. 32

    Continue on Caterpillar Hill Road

    2.9 mi · 5 min · Caterpillar Hill Road

  33. 33

    At the end of the road, turn right onto Byards Point Road

    1.3 mi · 2 min · Byards Point Road

  34. 34

    Continue on Deer Isle Sedgwick Bridge

    2510 ft · 50 sec · Deer Isle Sedgwick Bridge

  35. 35

    Continue on Little Deer Isle Road

    1.5 km · 2 min · Little Deer Isle Road

  36. 36

    Continue on North Deer Isle Road

    4.6 mi · 8 min · North Deer Isle Road

  37. 37

    Continue on Church Street

    2576 ft · 51 sec · Church Street

  38. 38

    Continue on South Deer Isle Road

    3.5 mi · 6 min · South Deer Isle Road

  39. 39

    Continue on North Main Street

    1.5 mi · 3 min · North Main Street

  40. 40

    Continue on Thurlows Hill Road

    547 ft · 11 sec · Thurlows Hill Road

  41. 41

    Continue on Main Street

    1087 ft · 25 sec · Main Street

  42. 42

    Turn right onto School Street

    102 m · 15 sec · School Street

  43. 43

    Turn left onto Church Street

    34 m · 5 sec · Church Street

  44. 44

    Arrive at your destination

    0 m · 1 sec · Church Street

Car Route Details

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

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
44 steps
9 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
26.9 / 100 mi
Decision points by distance
Main Roads
I 295 North
50.8 mi · 31%
Route 3
17.6 mi · 11%
Maine Turnpike
9.8 mi · 6%
North Belfast Avenue
8.06 mi · 5%
Acadia Highway
7.32 mi · 4%
West Main Street
7.04 mi · 4%
Longest Stretch

I 295 North

Merge slight left

49.9 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 40m
Long day trip
Same-Day Return
07h 20m
Round-trip wheel time
Road vs Air
+74 mi
89.5 mi direct line
Halfway Stop
Palermo
01h 50m from South Portland Gardens
Leave By
9:40 AM EDT
Early departure recommended
Weather Watch

Mostly Cloudy leaving South Portland Gardens and Patchy Fog then Partly Sunny near Stonington.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Portland Gardens to Stonington?

The road trip is about 163.5 miles (263.2 km) and usually takes 03h 40m 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 81.7 miles from South Portland Gardens and 81.8 miles from Stonington.

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

The direct path is about 89.5 miles (144.1 km), while the road route adds roughly 74 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 9:40 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.76 one way or $45.53 round trip. Estimated CO2 is about 51.3 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around South Portland Gardens and Patchy Fog then Partly Sunny near Stonington.

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 14.6 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
Vassalboro Town Office
Meeting point 10.3 mi away

Vassalboro Town Office

Vassalboro , ME
682 Main St, Vassalboro, ME 04989
Rating 3.8/5 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 South Portland Gardens and Stonington. Straight-line distance: 89.52 mi (144.07 km).

Photo coming soon

#1 South Portland Gardens

City in Cumberland County, Maine, United States of America

Population23,893
Coordinates43.6389700, -70.3153300
Altitude15
CountryUnited States
Stonington

#2 Stonington

Town in New London County, Connecticut, United States

Population1,033
Coordinates44.1561900, -68.6666900
Altitude22
CountryUnited States
Start: South Portland Gardens (-70.31533, 43.63897)
End: Stonington (-68.66669, 44.15619)

Estimated Travel Time

Distance: 263 km by road

SpeedTime
30 mph (48.3 km/h)05h 26m
40 mph (64.37 km/h)04h 05m
50 mph (80.47 km/h)03h 16m
60 mph (96.56 km/h)02h 43m
70 mph (112.65 km/h)02h 20m
80 mph (129 km/h)02h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.77 gal
21.85 L · about $22.76
Round trip
$45.53
11.54 gal · 43.7 L
Estimated CO2
51.3 kg one way
Round trip: 102.6 kg / 226 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $22.76 $45.53
Mid-grade $4.46 $25.72 $51.43
Premium $4.86 $28.03 $56.06
Diesel $6.00 $34.60 $69.21

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 South Portland Gardens and Stonington. The current time is 06:30:06.

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.