How far is Boston, MA from South Duxbury, MA?
The driving distance from Boston, MA to South Duxbury, MA is about 36.2 miles (58.3 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 30.1 miles (48.5 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.
City in Knox County, Maine, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Boston and South Duxbury.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boston and South Duxbury.
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1
Start on Tremont Street
70 m · 16 sec · Tremont Street
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2
Turn left onto School Street
608 ft · 26 sec · School Street
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3
At the end of the road, turn left onto Washington Street
34 m · 4 sec · Washington Street
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4
Turn right onto Water Street
64 m · 11 sec · Water Street
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5
Turn right onto Devonshire Street
910 ft · 37 sec · Devonshire Street
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6
Continue on Otis Street
148 m · 19 sec · Otis Street
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7
Continue on Kingston Street
649 ft · 31 sec · Kingston Street
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8
Turn left onto Essex Street
74 m · 8 sec · Essex Street
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9
Turn slight right
26 m · 5 sec
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10
Take the ramp right toward I 93 South: Quincy
818 ft · 24 sec
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11
Merge slight right onto John F. Fitzgerald Expressway
1.2 mi · 2 min · John F. Fitzgerald Expressway
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12
Continue on Southeast Expressway
8 mi · 11 min · Southeast Expressway
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13
Keep slight left to continue on MA 3 South: Cape Cod
23.3 mi · 29 min
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14
Take the exit slight right toward MA 3A: Kingston, South Duxbury
1309 ft · 32 sec
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15
Keep slight left
52 m · 8 sec
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16
Turn left onto Tremont Street
1.8 mi · 3 min · Tremont Street
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17
Turn right onto Chestnut Street
1.2 km · 1 min · Chestnut Street
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18
Enter the roundabout and take exit 3 toward Washington Street
27 m · 3 sec · Washington Street
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19
Exit the roundabout onto Washington Street
30 m · 4 sec · Washington Street
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20
Turn right
25 m · 6 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Boston and South Duxbury.
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
23.3 mi · 00h 29m
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 Boston and Rain Showers Likely near South Duxbury.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boston to South Duxbury?
The road trip is about 36.2 miles (58.3 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?
Rockland is a useful midpoint, sitting about 18.1 miles from Boston and 18.1 miles from South Duxbury.
How much longer is the road route than the straight-line distance?
The direct path is about 30.1 miles (48.5 km), while the road route adds roughly 6.1 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 $4.98 one way or $9.96 round trip. Estimated CO2 is about 11.4 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Boston and Rain Showers Likely near South Duxbury.
Stop Ideas Near Rockland
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 Rockland.
Route 128 station
Back Bay station
South Station
North Station
Flight Path Map
This map shows the direct air route between Boston and South Duxbury. Straight-line distance: 30.15 mi (48.52 km).
#1 Boston
The twenty-first most populous city in the United States and the center of the Boston metropolitan area.
| Population | 691,531 |
| Coordinates | 42.3584300, -71.0597700 |
| Altitude | 14 |
| Country | United States |
#2 South Duxbury
Census-designated place in Plymouth County, Massachusetts
| Population | 3,360 |
| Coordinates | 42.0231600, -70.6828100 |
| Altitude | 16 |
| Country | United States |
End: South Duxbury (-70.68281, 42.02316)
Estimated Travel Time
Distance: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 12m |
| 40 mph (64.37 km/h) | 00h 54m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 36m |
| 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 | $4.98 | $9.96 |
| Mid-grade | $4.40 | $5.63 | $11.26 |
| Premium | $4.80 | $6.14 | $12.29 |
| Diesel | $4.49 | $5.74 | $11.49 |
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.