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

The driving distance from South Portland, ME to Acton, ME is about 42.9 miles (69 km), with a travel time of about 01h 01m by car.

  • The straight-line flight distance is about 34.3 miles (55.2 km).
  • For a round trip, plan for roughly 02h 02m 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
42.85 mi
01h 01m
Flight
34.29 mi
55.18 km direct

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

Learn Distance

Choose another destination from South Portland.

Flight Distance

Direct air line
34.29 mi
Kilometers
55.18 km
Flight Time
00h 04m

Driving Distance

Road route
42.85 mi
Kilometers
68.96 km
Drive Time
01h 01m

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 01m.

Arrival Snapshot
Arrive in Acton
Wed, Apr 15, 2:00 PM EDT
Return by in South Portland
Wed, Apr 15, 3:02 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Portland
2026-04-15T12:59
Arrive Acton
Wed, Apr 15, 2:00 PM EDT
Route Timing
01h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:01 AM to 11:01 AM EDT

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

Leave by
4:28 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Portland
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
Biddeford
ME

City in York County, Maine

From South Portland
21.4 mi
00h 30m
To Acton
21.4 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
South Portland Weather
ME
Live fallback forecast
44°F
Overnight
Using Portland as the closest live forecast in the Cumberland County weather hub.

Areas Of Fog

Starts
Wed, Apr 15 3:00 AM EDT
Wind
5 mph N
Destination
61°F
Today

Areas Of Fog then Isolated Rain Showers

Starts
Wed, Apr 15 6:00 AM EDT
Wind
0 to 5 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Pine Street

    18 m · 10 sec · Pine Street

  2. 2

    Turn sharp left onto Broadway

    1.6 km · 2 min · Broadway

  3. 3

    Turn left onto Broadway

    3.6 mi · 6 min · Broadway

  4. 4

    Take the ramp slight right toward Maine Mall Road

    1214 ft · 30 sec

  5. 5

    Merge slight left onto Samantha Smith Way

    1 mi · 2 min · Samantha Smith Way

  6. 6

    Take the exit left

    2178 ft · 54 sec

  7. 7

    Merge slight left onto Maine Turnpike

    12.3 mi · 13 min · Maine Turnpike

  8. 8

    Take the exit slight right toward ME 111: Biddeford

    1.2 km · 2 min

  9. 9

    Turn right onto Alfred Street

    1.4 mi · 2 min · Alfred Street

  10. 10

    Continue on Alfred Road

    8.2 mi · 9 min · Alfred Road

  11. 11

    Continue on Biddeford Road

    1.8 mi · 2 min · Biddeford Road

  12. 12

    Continue on Sanford Road

    2.4 mi · 4 min · Sanford Road

  13. 13

    Turn right onto Shaws Ridge Road

    1.2 mi · 2 min · Shaws Ridge Road

  14. 14

    Continue on Pleasant Street

    1.2 km · 1 min · Pleasant Street

  15. 15

    Continue on Bridge Street

    544 ft · 11 sec · Bridge Street

  16. 16

    Turn slight right

    41 m · 6 sec

  17. 17

    Turn right onto Main Street

    2.3 mi · 5 min · Main Street

  18. 18

    Continue on Emery Mills Road

    1.9 mi · 4 min · Emery Mills Road

  19. 19

    Continue on State Route 109

    3.4 mi · 5 min · State Route 109

  20. 20

    Turn right onto H Road

    955 ft · 28 sec · H Road

  21. 21

    Turn left onto Sam Page Road

    14 m · 2 sec · Sam Page Road

  22. 22

    Arrive at your destination

    0 m · 1 sec · Sam Page Road

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
22 steps
9 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
51.4 / 100 mi
Decision points by distance
Main Roads
Maine Turnpike
12.3 mi · 29%
Alfred Road
8.23 mi · 19%
Broadway
4.53 mi · 11%
State Route 109
3.39 mi · 8%
Sanford Road
2.4 mi · 6%
Main Street
2.26 mi · 5%
Longest Stretch

Maine Turnpike

Merge slight left onto Maine Turnpike

12.3 mi · 00h 13m

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 01m
Day trip friendly
Same-Day Return
02h 02m
Round-trip wheel time
Road vs Air
+8.6 mi
34.3 mi direct line
Halfway Stop
Biddeford
00h 30m from South Portland
Leave By
4:28 PM EDT
Morning start is best
Weather Watch

Areas Of Fog leaving South Portland and Areas Of Fog then Isolated Rain Showers near Acton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 42.9 miles (69 km) and usually takes 01h 01m 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?

Biddeford is a useful midpoint, sitting about 21.4 miles from South Portland and 21.4 miles from Acton.

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

The direct path is about 34.3 miles (55.2 km), while the road route adds roughly 8.6 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 4:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.96 one way or $11.91 round trip. Estimated CO2 is about 13.4 kg one way.

What should you check before leaving?

Before you leave, expect Areas Of Fog around South Portland and Areas Of Fog then Isolated Rain Showers near Acton.

Stop Ideas Near Biddeford

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

Mid-route Guidance
Local place coverage is thin around Biddeford, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Saco Transportation Center

1 mi away
130 Main Street
RAIL

Old Orchard Beach

7 mi away
11 First Street
RAIL

Portland Transportation Center

22 mi away
100 Thompson's Point Road
RAIL

Wells Regional Transportation Center

23 mi away
696 Sanford Road

Flight Path Map

This map shows the direct air route between South Portland and Acton. Straight-line distance: 34.29 mi (55.18 km).

South Portland

#1 South Portland

City in Cumberland County, Maine, USA

Population25,950
Coordinates43.6414700, -70.2408800
Altitude7
CountryUnited States
Acton

#2 Acton

Town in Maine

Population2,636
Coordinates43.5342500, -70.9097800
Altitude218
CountryUnited States
Start: South Portland (-70.24088, 43.64147)
End: Acton (-70.90978, 43.53425)

Estimated Travel Time

Distance: 69 km by road

SpeedTime
30 mph (48.3 km/h)01h 25m
40 mph (64.37 km/h)01h 04m
50 mph (80.47 km/h)00h 51m
60 mph (96.56 km/h)00h 42m
70 mph (112.65 km/h)00h 36m
80 mph (129 km/h)00h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.51 gal
5.72 L · about $5.96
Round trip
$11.91
3.02 gal · 11.44 L
Estimated CO2
13.4 kg one way
Round trip: 26.8 kg / 59 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $5.96 $11.91
Mid-grade $4.46 $6.73 $13.46
Premium $4.86 $7.34 $14.67
Diesel $6.00 $9.06 $18.11

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 15, 2026

There is no time difference between South Portland and Acton. The current time is 12:59:39.

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.