How far is South Portland, ME from North Windham, ME?
The driving distance from South Portland, ME to North Windham, ME is about 18.4 miles (29.6 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 16.6 miles (26.7 km).
- For a round trip, plan for roughly 00h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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.
This is an easy same-day return drive.
Flight Distance
Driving Distance
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 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
City in Cumberland County, Maine, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between South Portland and North Windham.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Portland and North Windham.
-
1
Start on Pine Street
18 m · 10 sec · Pine Street
-
2
Turn sharp left onto Broadway
1.6 km · 2 min · Broadway
-
3
Continue on Casco Bay Bridge
1.1 mi · 2 min · Casco Bay Bridge
-
4
Turn straight onto York Street
785 ft · 19 sec · York Street
-
5
Turn left onto High Street
1.3 km · 1 min · High Street
-
6
Continue on Forest Avenue
4.4 mi · 6 min · Forest Avenue
-
7
Continue on Bridgton Road
3.8 mi · 8 min · Bridgton Road
-
8
Continue on Roosevelt Trail
4.2 mi · 5 min · Roosevelt Trail
-
9
Enter the roundabout and take exit 2 toward Roosevelt Trail
88 m · 10 sec · Roosevelt Trail
-
10
Exit the roundabout onto Roosevelt Trail
2.9 mi · 3 min · Roosevelt Trail
-
11
Arrive at your destination
0 m · 1 sec · Roosevelt Trail
Car Route Details
A richer read on the saved driving route between South Portland and North Windham.
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.
Forest Avenue
Continue on Forest Avenue
4.37 mi · 00h 06m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Rain Showers Likely leaving South Portland and Rain Showers Likely near North Windham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Portland to North Windham?
The road trip is about 18.4 miles (29.6 km) and usually takes 00h 27m 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?
Westbrook is a useful midpoint, sitting about 9.2 miles from South Portland and 9.2 miles from North Windham.
How much longer is the road route than the straight-line distance?
The direct path is about 16.6 miles (26.7 km), while the road route adds roughly 1.8 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 EDT. If you want a more comfortable same-day return, try to leave by 7:36 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.56 one way or $5.13 round trip. Estimated CO2 is about 5.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around South Portland and Rain Showers Likely near North Windham.
Stop Ideas Near Westbrook
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Westbrook.
Portland Transportation Center
Old Orchard Beach
Saco Transportation Center
Freeport
Flight Path Map
This map shows the direct air route between South Portland and North Windham. Straight-line distance: 16.57 mi (26.67 km).
#1 South Portland
City in Cumberland County, Maine, USA
| Population | 25,950 |
| Coordinates | 43.6414700, -70.2408800 |
| Altitude | 7 |
| Country | United States |
#2 North Windham
Census-designated place in Cumberland County, Maine
| Population | 4,904 |
| Coordinates | 43.8342400, -70.4383900 |
| Altitude | 93 |
| Country | United States |
End: North Windham (-70.43839, 43.83424)
Estimated Travel Time
Distance: 30 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 36m |
| 40 mph (64.37 km/h) | 00h 27m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 15m |
| 80 mph (129 km/h) | 00h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $2.56 | $5.13 |
| Mid-grade | $4.46 | $2.90 | $5.79 |
| Premium | $4.86 | $3.16 | $6.32 |
| Diesel | $6.00 | $3.90 | $7.80 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.