How far is South Boston, MA from Plymouth, MA?
The driving distance from South Boston, MA to Plymouth, MA is about 37.7 miles (60.6 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 32.5 miles (52.3 km).
- For a round trip, plan for roughly 01h 44m 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 00h 52m.
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 Plymouth County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between South Boston and Plymouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Boston and Plymouth.
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1
Start on Dorchester Street
52 m · 9 sec · Dorchester Street
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2
Turn right onto Mercer Street
100 m · 13 sec · Mercer Street
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3
Turn right onto Telegraph Street
148 m · 17 sec · Telegraph Street
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4
At the end of the road, turn left onto Dorchester Street
811 ft · 37 sec · Dorchester Street
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5
Turn left onto Old Colony Avenue
840 ft · 31 sec · Old Colony Avenue
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6
Enter the roundabout and take exit 2 toward Pacuska Circle
29 m · 1 sec · Old Colony Avenue
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7
Exit the rotary onto Old Colony Avenue
1814 ft · 34 sec · Old Colony Avenue
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8
Turn straight onto Columbia Road
896 ft · 17 sec · Columbia Road
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9
Enter the roundabout and take exit 1 toward Kosciuszko Circle
6 m · 1 sec · Columbia Road
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10
Exit the rotary onto Columbia Road
734 ft · 21 sec · Columbia Road
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11
Turn left onto I-93 South, US 1 South: Quincy, Cape Cod
1190 ft · 29 sec
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12
Merge slight left onto Southeast Expressway
6.7 mi · 9 min · Southeast Expressway
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13
Keep slight left to continue on MA 3 South: Cape Cod
28.2 mi · 36 min
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14
Take the exit slight right toward US 44 West: Samoset Street, Carver
1311 ft · 47 sec
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15
Turn straight onto Samoset Street
77 m · 10 sec · Samoset Street
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16
Continue on Samoset Street
1.4 km · 2 min · Samoset Street
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17
Turn right onto Court Street
1029 ft · 35 sec · Court Street
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18
Arrive at your destination
0 m · 1 sec · Court Street
Car Route Details
A richer read on the saved driving route between South Boston and Plymouth.
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.
MA 3 South
Keep slight left to continue on MA 3 South: Cape Cod
28.2 mi · 00h 36m
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.
Rain Showers Likely leaving South Boston and Chance Rain Showers near Plymouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Boston to Plymouth?
The road trip is about 37.7 miles (60.6 km) and usually takes 00h 52m 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?
Norwell is a useful midpoint, sitting about 18.8 miles from South Boston and 18.8 miles from Plymouth.
How much longer is the road route than the straight-line distance?
The direct path is about 32.5 miles (52.3 km), while the road route adds roughly 5.2 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 4:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.17 one way or $10.35 round trip. Estimated CO2 is about 11.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around South Boston and Chance Rain Showers near Plymouth.
Stop Ideas Near Norwell
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 Norwell.
Route 128 station
South Station
Back Bay station
North Station
Flight Path Map
This map shows the direct air route between South Boston and Plymouth. Straight-line distance: 32.48 mi (52.27 km).
#1 South Boston
This historic Boston neighborhood, often called "Southie," is situated south of downtown Boston and the Fort Point Channel, with Dorchester Bay to its east and south.
| Population | 571,281 |
| Coordinates | 42.3334300, -71.0494900 |
| Altitude | 14 |
| Country | United States |
#2 Plymouth
County seat town in Plymouth County, Massachusetts, United States
| Population | 62,654 |
| Coordinates | 41.9584400, -70.6672600 |
| Altitude | 23 |
| Country | United States |
End: Plymouth (-70.66726, 41.95844)
Estimated Travel Time
Distance: 61 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 15m |
| 40 mph (64.37 km/h) | 00h 56m |
| 50 mph (80.47 km/h) | 00h 45m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $5.17 | $10.35 |
| Mid-grade | $4.40 | $5.85 | $11.70 |
| Premium | $4.80 | $6.38 | $12.77 |
| Diesel | $4.49 | $5.97 | $11.94 |
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 Massachusetts · 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.