How far is Naples, ME from South Portland, ME?
Fastest route
To travel from Naples, Maine to South Portland, Maine, the best route, considering traffic conditions, is via ME-35 S and US-302 E. The total distance is approximately 33.8 miles (54.4 kilometers), and it should take about 1 hour and 1 minute.
Directions
- Head Southeast on Arrowhead Rd.
- Turn Right at the 1st cross street to stay on Arrowhead Rd.
- Turn Right onto ME-35 S/Harrison Rd.
- Follow ME-35 S/Harrison Rd until it intersects with US-302 E/Roosevelt Trail.
- Turn Left onto US-302 E/Roosevelt Trail at the traffic circle.
- Pass by Crown Fried Chicken (on the right) after approximately 11.9 miles.
- Follow US-302 E until it reaches Forest Ave in Portland.
Tips & Suggestions
- 🚗 Plan Ahead: Check the traffic conditions and plan your trip accordingly to save time.
- 🛣️ Take the Shortest Route: The suggested route via ME-35 S and US-302 E is the most efficient option.
- ⛽ Fuel Up: Ensure your vehicle has enough fuel before embarking on the journey.
- 🚦 Stay Informed: Keep an eye out for any road closures or detours along the way.
- 🍽️ Pack Snacks: Bring some snacks and drinks to keep you energized during the drive.
- 🚗 Share Driving Duties: If possible, take turns driving to avoid fatigue on long journeys.
- 🗺️ Use GPS Navigation: Utilize GPS or a navigation app to stay on track and find alternative routes if needed.
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.
This route works well as a day trip with time at the destination.
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 55m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Census-designated place in Cumberland County, Maine
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Clear
Driving Route Map
The map below follows the saved road route between Naples and South Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Naples and South Portland.
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1
Start on Kents Landing
54 m · 18 sec · Kents Landing
-
2
Turn left onto Roosevelt Trail
17.1 mi · 26 min · Roosevelt Trail
-
3
Enter the roundabout and take exit 2 toward Roosevelt Trail
86 m · 10 sec · Roosevelt Trail
-
4
Exit the roundabout onto Roosevelt Trail
4.2 mi · 5 min · Roosevelt Trail
-
5
Continue on Bridgton Road
3.8 mi · 8 min · Bridgton Road
-
6
Continue on Forest Avenue
4.3 mi · 6 min · Forest Avenue
-
7
Turn slight right
133 m · 16 sec
-
8
Keep slight right
54 m · 7 sec
-
9
Turn slight right onto State Street
1.5 km · 2 min · State Street
-
10
Continue on Casco Bay Bridge
1.1 mi · 2 min · Casco Bay Bridge
-
11
Continue on Broadway
1.6 km · 2 min · Broadway
-
12
Turn sharp right onto Pine Street
18 m · 3 sec · Pine Street
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13
Arrive at your destination
0 m · 1 sec · Pine Street
Car Route Details
A richer read on the saved driving route between Naples 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.
Roosevelt Trail
Turn left onto Roosevelt Trail
17.1 mi · 00h 26m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Naples and Mostly Clear near South Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Naples to South Portland?
The road trip is about 32.7 miles (52.6 km) and usually takes 00h 55m 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?
North Windham is a useful midpoint, sitting about 16.3 miles from Naples and 16.3 miles from South Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 29.3 miles (47.1 km), while the road route adds roughly 3.4 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 4:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.54 one way or $9.07 round trip. Estimated CO2 is about 10.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Naples and Mostly Clear near South Portland.
Stop Ideas Near North Windham
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 North Windham.
Portland Transportation Center
Freeport
Old Orchard Beach
Saco Transportation Center
Flight Path Map
This map shows the direct air route between Naples and South Portland. Straight-line distance: 29.29 mi (47.14 km).
#1 Naples
Town in Cumberland County, Maine, United States
| Population | 3,997 |
| Coordinates | 43.9717400, -70.6092300 |
| Altitude | 86 |
| 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: 53 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 05m |
| 40 mph (64.37 km/h) | 00h 48m |
| 50 mph (80.47 km/h) | 00h 39m |
| 60 mph (96.56 km/h) | 00h 32m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $4.54 | $9.07 |
| Mid-grade | $4.46 | $5.13 | $10.25 |
| Premium | $4.86 | $5.59 | $11.17 |
| Diesel | $6.00 | $6.90 | $13.79 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.