How far is Plymouth, MA from South Boston, MA?
The driving distance from Plymouth, MA to South Boston, MA is about 37.2 miles (59.8 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 32.5 miles (52.3 km).
- For a round trip, plan for roughly 01h 40m 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 50m.
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.
Chance Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Plymouth and South Boston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plymouth and South Boston.
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1
Start on Court Street
1029 ft · 42 sec · Court Street
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2
Turn left onto Samoset Street
1.1 km · 2 min · Samoset Street
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3
Take the ramp slight right toward MA 3 North: Kingston, Boston
1618 ft · 39 sec
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4
Merge slight left onto Pilgrims Highway
27.5 mi · 35 min · Pilgrims Highway
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5
Continue on I 93 North: Boston
7.2 mi · 10 min
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6
Take the exit slight right toward Dorchester, South Boston, Columbia Road
1060 ft · 26 sec
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7
Turn right onto Columbia Road
118 m · 8 sec · Columbia Road
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8
Enter the roundabout and take exit 3 toward Kosciuszko Circle
115 m · 5 sec · Columbia Road
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9
Exit the rotary onto Columbia Road
764 ft · 15 sec · Columbia Road
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10
Continue on Old Colony Avenue
1899 ft · 36 sec · Old Colony Avenue
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11
Enter the roundabout and take exit 2 toward Pacuska Circle
89 m · 5 sec · Old Colony Avenue
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12
Exit the rotary onto Old Colony Avenue
779 ft · 29 sec · Old Colony Avenue
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13
Turn right onto Dorchester Street
1181 ft · 42 sec · Dorchester Street
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14
Arrive at your destination
0 m · 1 sec · Dorchester Street
Car Route Details
A richer read on the saved driving route between Plymouth and South Boston.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Pilgrims Highway
Merge slight left onto Pilgrims Highway
27.5 mi · 00h 35m
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.
Chance Rain Showers leaving Plymouth and Rain Showers Likely near South Boston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plymouth to South Boston?
The road trip is about 37.2 miles (59.8 km) and usually takes 00h 50m 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 18.6 miles from Plymouth and 18.6 miles from South Boston.
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 4.7 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 4:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.10 one way or $10.19 round trip. Estimated CO2 is about 11.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Plymouth and Rain Showers Likely near South Boston.
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 Plymouth and South Boston. Straight-line distance: 32.48 mi (52.27 km).
#1 Plymouth
County seat town in Plymouth County, Massachusetts, United States
| Population | 62,654 |
| Coordinates | 41.9584400, -70.6672600 |
| Altitude | 23 |
| Country | United States |
#2 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 |
End: South Boston (-71.04949, 42.33343)
Estimated Travel Time
Distance: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $5.10 | $10.19 |
| Mid-grade | $4.40 | $5.76 | $11.52 |
| Premium | $4.80 | $6.29 | $12.57 |
| Diesel | $4.49 | $5.88 | $11.76 |
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.