How far is South Portland, ME from Porter, ME?
The driving distance from South Portland, ME to Porter, ME is about 41.6 miles (66.9 km), with a travel time of about 01h 08m by car.
- The straight-line flight distance is about 36.2 miles (58.2 km).
- For a round trip, plan for roughly 02h 17m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 01h 08m.
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.
Town in Cumberland County, Maine, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between South Portland and Porter.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Portland and Porter.
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1
Start on Pine Street
18 m · 10 sec · Pine Street
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2
Turn sharp left onto Broadway
1.6 km · 2 min · Broadway
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3
Continue on Casco Bay Bridge
1.1 mi · 2 min · Casco Bay Bridge
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4
Turn straight onto York Street
785 ft · 19 sec · York Street
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5
Turn left onto High Street
1 km · 1 min · High Street
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6
Turn left onto Park Avenue
1.5 km · 2 min · Park Avenue
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7
Continue on Congress Street
1.5 mi · 3 min · Congress Street
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8
Turn right onto Westbrook Street
1.2 mi · 2 min · Westbrook Street
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9
Continue on Stroudwater Street
1.7 mi · 3 min · Stroudwater Street
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10
Turn left onto William B Clarke Drive
772 ft · 17 sec · William B Clarke Drive
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11
Turn right onto Spring Street
99 m · 14 sec · Spring Street
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12
Turn left onto Main Street
2456 ft · 53 sec · Main Street
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13
Turn right onto William B Clarke Drive
2184 ft · 48 sec · William B Clarke Drive
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14
Continue on Conant Street
1805 ft · 39 sec · Conant Street
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15
Continue on Main Street
3.2 mi · 5 min · Main Street
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16
Continue on State Street
1.6 km · 1 min · State Street
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17
Continue on Ossipee Trail East
973 ft · 17 sec · Ossipee Trail East
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18
Enter the roundabout and take exit 1 toward Ossipee Trail
21 m · 1 sec · Ossipee Trail
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19
Exit the roundabout onto Ossipee Trail
9.9 mi · 15 min · Ossipee Trail
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20
Enter the roundabout and take exit 2 toward Ossipee Trail West
36 m · 3 sec · Ossipee Trail West
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21
Exit the roundabout onto Ossipee Trail West
8.2 mi · 12 min · Ossipee Trail West
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22
Continue on Main Street
2.3 mi · 4 min · Main Street
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23
Continue on Maple Street
2.6 mi · 5 min · Maple Street
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24
Continue on Federal Street
1.8 mi · 4 min · Federal Street
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25
Turn right onto Bridge Street
2.5 mi · 4 min · Bridge Street
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26
Arrive at your destination
0 m · 1 sec · Ossipee Trail
Car Route Details
A richer read on the saved driving route between South Portland and Porter.
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.
Ossipee Trail
Exit the roundabout onto Ossipee Trail
9.91 mi · 00h 15m
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 South Portland and Mostly Sunny near Porter.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Portland to Porter?
The road trip is about 41.6 miles (66.9 km) and usually takes 01h 08m 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?
Standish is a useful midpoint, sitting about 20.8 miles from South Portland and 20.8 miles from Porter.
How much longer is the road route than the straight-line distance?
The direct path is about 36.2 miles (58.2 km), while the road route adds roughly 5.4 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 4:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.80 one way or $11.60 round trip. Estimated CO2 is about 13.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around South Portland and Mostly Sunny near Porter.
Stop Ideas Near Standish
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 Standish.
Portland Transportation Center
Saco Transportation Center
Old Orchard Beach
Freeport
Flight Path Map
This map shows the direct air route between South Portland and Porter. Straight-line distance: 36.15 mi (58.18 km).
#1 South Portland
City in Cumberland County, Maine, USA
| Population | 25,950 |
| Coordinates | 43.6414700, -70.2408800 |
| Altitude | 7 |
| Country | United States |
#2 Porter
Town in Oxford County, Maine, United States
| Population | 1,525 |
| Coordinates | 43.7959100, -70.9325600 |
| Altitude | 125 |
| Country | United States |
End: Porter (-70.93256, 43.79591)
Estimated Travel Time
Distance: 67 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 23m |
| 40 mph (64.37 km/h) | 01h 02m |
| 50 mph (80.47 km/h) | 00h 49m |
| 60 mph (96.56 km/h) | 00h 41m |
| 70 mph (112.65 km/h) | 00h 35m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.80 | $11.60 |
| Mid-grade | $4.46 | $6.55 | $13.10 |
| Premium | $4.86 | $7.14 | $14.28 |
| Diesel | $6.00 | $8.82 | $17.63 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.