How far is North Windham, ME from South Portland, ME?
The driving distance from North Windham, ME to South Portland, ME is about 18.4 miles (29.6 km), with a travel time of about 00h 38m by car.
- The straight-line flight distance is about 16.6 miles (26.7 km).
- For a round trip, plan for roughly 01h 16m 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 38m.
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.
Mostly Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between North Windham and South Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Windham and South Portland.
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1
Start on Roosevelt Trail
2.9 mi · 3 min · Roosevelt Trail
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2
Enter the roundabout and take exit 2 toward Roosevelt Trail
86 m · 10 sec · Roosevelt Trail
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3
Exit the roundabout onto Roosevelt Trail
4.2 mi · 5 min · Roosevelt Trail
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4
Continue on Bridgton Road
3.8 mi · 8 min · Bridgton Road
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5
Continue on Forest Avenue
4.3 mi · 6 min · Forest Avenue
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6
Turn slight right
133 m · 16 sec
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7
Keep slight right
54 m · 8 sec
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8
Turn slight right onto State Street
1.5 km · 2 min · State Street
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9
Continue on Casco Bay Bridge
1.1 mi · 2 min · Casco Bay Bridge
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10
Continue on Broadway
1.6 km · 2 min · Broadway
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11
Turn sharp right onto Pine Street
18 m · 3 sec · Pine Street
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12
Arrive at your destination
0 m · 1 sec · Pine Street
Car Route Details
A richer read on the saved driving route between North Windham and South Portland.
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
4.25 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.
Mostly Cloudy leaving North Windham and Mostly Cloudy near South Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from North Windham to South Portland?
The road trip is about 18.4 miles (29.6 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?
Westbrook is a useful midpoint, sitting about 9.2 miles from North Windham and 9.2 miles from South Portland.
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 7:14 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 Mostly Cloudy around North Windham and Mostly Cloudy near South Portland.
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 North Windham and South Portland. Straight-line distance: 16.57 mi (26.67 km).
#1 North Windham
Census-designated place in Cumberland County, Maine
| Population | 4,904 |
| Coordinates | 43.8342400, -70.4383900 |
| Altitude | 93 |
| Country | United States |
#2 South Portland
City in Cumberland County, Maine, USA
| Population | 25,950 |
| Coordinates | 43.6414700, -70.2408800 |
| Altitude | 7 |
| Country | United States |
End: Pine Street (-70.240981, 43.641461)
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.