How far is Plymouth, ME from South Portland, ME?
The driving distance from Plymouth, ME to South Portland, ME is about 111.3 miles (179.1 km), with a travel time of about 01h 48m by car.
- The straight-line flight distance is about 93 miles (149.7 km).
- For a round trip, plan for roughly 03h 36m 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 48m.
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.
City in Maine
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Sunny
Driving Route Map
The map below follows the saved road route between Plymouth and South Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plymouth and South Portland.
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1
Start on State Route 69
37 m · 10 sec · State Route 69
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2
Turn sharp left onto Moosehead Trail
2.4 mi · 4 min · Moosehead Trail
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3
Continue on Roussin Road
1520 ft · 36 sec · Roussin Road
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4
Take the ramp left
1255 ft · 31 sec
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5
Merge slight left
57.5 mi · 1 hr 2 min
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6
Keep slight right to continue on I 295 South, ME 9, ME 126: Gardiner, Brunswick
46.5 mi · 53 min
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7
Take the exit slight right toward US 1A
2130 ft · 1 min
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8
Turn right onto Marginal Way
2795 ft · 1 min · Marginal Way
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9
Continue on State Street
1.6 km · 2 min · State Street
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10
Continue on Casco Bay Bridge
1.1 mi · 2 min · Casco Bay Bridge
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11
Continue on Broadway
1.6 km · 2 min · Broadway
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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 Plymouth and South Portland.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Roussin Road
Merge slight left
57.5 mi · 01h 02m
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 Clear leaving Plymouth and Sunny near South Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plymouth to South Portland?
The road trip is about 111.3 miles (179.1 km) and usually takes 01h 48m 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?
Hallowell is a useful midpoint, sitting about 55.5 miles from Plymouth and 55.8 miles from South Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 93 miles (149.7 km), while the road route adds roughly 18.3 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 2:54 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.50 one way or $31.01 round trip. Estimated CO2 is about 34.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Plymouth and Sunny near South Portland.
Stop Ideas Near Hallowell
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 Hallowell.
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Flight Path Map
This map shows the direct air route between Plymouth and South Portland. Straight-line distance: 93.04 mi (149.73 km).
#1 Plymouth
Town in Penobscot County, Maine, United States
| Population | 1,356 |
| Coordinates | 44.7672900, -69.2103300 |
| Altitude | 81 |
| 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: 179 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 42m |
| 40 mph (64.37 km/h) | 02h 46m |
| 50 mph (80.47 km/h) | 02h 13m |
| 60 mph (96.56 km/h) | 01h 51m |
| 70 mph (112.65 km/h) | 01h 35m |
| 80 mph (129 km/h) | 01h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $15.50 | $31.01 |
| Mid-grade | $4.46 | $17.52 | $35.03 |
| Premium | $4.86 | $19.09 | $38.18 |
| Diesel | $6.00 | $23.57 | $47.14 |
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 · Jun 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.