How far is South Portland, ME from Dow Corner, ME?

The driving distance from South Portland, ME to Dow Corner, ME is about 22.4 miles (36.1 km), with a travel time of about 00h 38m by car.

  • The straight-line flight distance is about 18.3 miles (29.4 km).
  • For a round trip, plan for roughly 01h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EST.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
22.43 mi
00h 38m
Flight
18.29 mi
29.43 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from South Portland.

Flight Distance

Direct air line
18.29 mi
Kilometers
29.43 km
Flight Time
00h 02m

Driving Distance

Road route
22.43 mi
Kilometers
36.1 km
Drive Time
00h 38m

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 00h 38m.

Arrival Snapshot
Arrive in Dow Corner
Sat, Nov 7, 11:48 AM EST
Return by in South Portland
Sat, Nov 7, 12:27 PM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Portland
2026-11-07T11:09
Arrive Dow Corner
Sat, Nov 7, 11:48 AM EST
Route Timing
00h 38m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EST
Leave when it suits your day
Arrive between
7:39 AM to 7:39 PM EST

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:12 PM EST
Keeps a same-day return open with about 01h 30m at the destination.
Back in South Portland
10:00 PM EST
Flexible departure

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
Gorham
ME

Town in Cumberland County, Maine, United States

From South Portland
11.2 mi
00h 19m
To Dow Corner
11.2 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
South Portland Weather
ME
Live fallback forecast
55°F
Saturday
Using Portland as the closest live forecast in the Cumberland County weather hub.

Rain Showers

Starts
Sat, Nov 7 6:00 AM EST
Wind
15 mph N
Destination
55°F
Saturday

Light Rain

Starts
Sat, Nov 7 6:00 AM EST
Wind
10 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between South Portland and Dow Corner.

  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

    Continue on Casco Bay Bridge

    1.1 mi · 2 min · Casco Bay Bridge

  4. 4

    Turn straight onto York Street

    785 ft · 19 sec · York Street

  5. 5

    Turn left onto High Street

    1 km · 1 min · High Street

  6. 6

    Turn left onto Park Avenue

    1.5 km · 2 min · Park Avenue

  7. 7

    Continue on Congress Street

    1.5 mi · 3 min · Congress Street

  8. 8

    Turn right onto Westbrook Street

    1.2 mi · 2 min · Westbrook Street

  9. 9

    Continue on Stroudwater Street

    1.7 mi · 3 min · Stroudwater Street

  10. 10

    Turn left onto William B Clarke Drive

    772 ft · 17 sec · William B Clarke Drive

  11. 11

    Turn right onto Spring Street

    99 m · 14 sec · Spring Street

  12. 12

    Turn left onto Main Street

    2456 ft · 53 sec · Main Street

  13. 13

    Turn right onto William B Clarke Drive

    2184 ft · 48 sec · William B Clarke Drive

  14. 14

    Continue on Conant Street

    1805 ft · 39 sec · Conant Street

  15. 15

    Continue on Main Street

    3.2 mi · 5 min · Main Street

  16. 16

    Continue on State Street

    1.6 km · 1 min · State Street

  17. 17

    Continue on Ossipee Trail East

    973 ft · 17 sec · Ossipee Trail East

  18. 18

    Enter the roundabout and take exit 1 toward Ossipee Trail

    21 m · 1 sec · Ossipee Trail

  19. 19

    Exit the roundabout onto Ossipee Trail

    7.1 mi · 11 min · Ossipee Trail

  20. 20

    Turn left onto Cape Road

    1.1 mi · 3 min · Cape Road

  21. 21

    Turn right onto Old Dow Road

    145 m · 52 sec · Old Dow Road

  22. 22

    Arrive at your destination

    0 m · 1 sec · Old Dow Road

Car Route Details

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

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
13 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
98.2 / 100 mi
Decision points by distance
Main Roads
Ossipee Trail
7.12 mi · 32%
Main Street
3.71 mi · 17%
Stroudwater Street
1.73 mi · 8%
Congress Street
1.51 mi · 7%
Westbrook Street
1.25 mi · 6%
Casco Bay Bridge
1.15 mi · 5%
Longest Stretch

Ossipee Trail

Exit the roundabout onto Ossipee Trail

7.1 mi · 00h 11m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 38m
Quick drive
Same-Day Return
01h 18m
Round-trip wheel time
Road vs Air
+4.1 mi
18.3 mi direct line
Halfway Stop
Gorham
00h 19m from South Portland
Leave By
7:12 PM EST
Flexible departure
Weather Watch

Rain Showers leaving South Portland and Light Rain near Dow Corner.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Portland to Dow Corner?

The road trip is about 22.4 miles (36.1 km) and usually takes 00h 38m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Gorham is a useful midpoint, sitting about 11.2 miles from South Portland and 11.2 miles from Dow Corner.

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

The direct path is about 18.3 miles (29.4 km), while the road route adds roughly 4.1 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 7:00 AM to 7:00 PM EST. If you want a more comfortable same-day return, try to leave by 7:12 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.32 one way or $6.64 round trip. Estimated CO2 is about 7 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around South Portland and Light Rain near Dow Corner.

Stop Ideas Near Gorham

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

Mid-route Guidance
Local place coverage is thin around Gorham, 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 Gorham.

RAIL

Portland Transportation Center

13 mi away
100 Thompson's Point Road
RAIL

Old Orchard Beach

19 mi away
11 First Street
RAIL

Saco Transportation Center

20 mi away
130 Main Street
RAIL

Freeport

34 mi away
36 Depot Street

Flight Path Map

This map shows the direct air route between South Portland and Dow Corner. Straight-line distance: 18.29 mi (29.43 km).

South Portland

#1 South Portland

City in Cumberland County, Maine, USA

Population25,950
Coordinates43.6414700, -70.2408800
Altitude7
CountryUnited States
Photo coming soon

#2 Dow Corner

Dow Corner is a place in Maine, United States.

Population0
Coordinates43.7200800, -70.5903300
Altitude100
CountryUnited States
Start: South Portland (-70.24088, 43.64147)
End: Dow Corner (-70.59033, 43.72008)

Estimated Travel Time

Distance: 36 km by road

SpeedTime
30 mph (48.3 km/h)00h 44m
40 mph (64.37 km/h)00h 33m
50 mph (80.47 km/h)00h 26m
60 mph (96.56 km/h)00h 22m
70 mph (112.65 km/h)00h 19m
80 mph (129 km/h)00h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.79 gal
3 L · about $3.32
Round trip
$6.64
1.58 gal · 6 L
Estimated CO2
7 kg one way
Round trip: 14 kg / 31 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.20 $3.32 $6.64
Mid-grade $4.78 $3.78 $7.56
Premium $5.28 $4.17 $8.34
Diesel $6.38 $5.04 $10.07

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 · Nov 07, 2026

There is no time difference between South Portland and Dow Corner. The current time is 11:09:34.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.