How far is Brockton, MA from South Boston, MA?
The driving distance from Brockton, MA to South Boston, MA is about 21.9 miles (35.2 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 17.3 miles (27.9 km).
- For a round trip, plan for roughly 01h 03m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Massachusetts
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 Brockton and South Boston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brockton and South Boston.
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1
Start on the route
4 m · 7 sec
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2
Turn left
17 m · 7 sec
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3
Turn right onto Church Street
89 m · 15 sec · Church Street
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4
Turn left onto Montello Street
57 m · 14 sec · Montello Street
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5
Turn left onto Centre Street
701 ft · 21 sec · Centre Street
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6
Turn right onto Main Street
158 m · 18 sec · Main Street
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7
Turn left onto Pleasant Street
1.4 mi · 3 min · Pleasant Street
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8
Turn right onto Reynolds Memorial Highway
2942 ft · 1 min · Reynolds Memorial Highway
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9
Take the ramp slight right toward MA 24 North: Randolph, Boston
2002 ft · 49 sec
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10
Merge slight left onto Amvets Highway
7.1 mi · 8 min · Amvets Highway
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11
Keep slight right to continue on I 93 North, US 1 North: Boston
2471 ft · 1 min
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12
Merge slight left
10.3 mi · 14 min
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13
Take the exit slight right toward Dorchester, South Boston, Columbia Road
1060 ft · 26 sec
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14
Turn right onto Columbia Road
118 m · 8 sec · Columbia Road
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15
Enter the roundabout and take exit 3 toward Kosciuszko Circle
115 m · 5 sec · Columbia Road
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16
Exit the rotary onto Columbia Road
764 ft · 15 sec · Columbia Road
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17
Continue on Old Colony Avenue
1899 ft · 38 sec · Old Colony Avenue
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18
Enter the roundabout and take exit 2 toward Pacuska Circle
89 m · 5 sec · Old Colony Avenue
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19
Exit the rotary onto Old Colony Avenue
779 ft · 29 sec · Old Colony Avenue
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20
Turn right onto Dorchester Street
1181 ft · 42 sec · Dorchester Street
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21
Arrive at your destination
0 m · 1 sec · Dorchester Street
Car Route Details
A richer read on the saved driving route between Brockton and South Boston.
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.
I 93 North
Merge slight left
10.3 mi · 00h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Chance Rain Showers leaving Brockton 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 Brockton to South Boston?
The road trip is about 21.9 miles (35.2 km) and usually takes 00h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Milton is a useful midpoint, sitting about 10.9 miles from Brockton and 10.9 miles from South Boston.
How much longer is the road route than the straight-line distance?
The direct path is about 17.3 miles (27.9 km), while the road route adds roughly 4.6 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:26 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.00 one way or $5.99 round trip. Estimated CO2 is about 6.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Brockton and Rain Showers Likely near South Boston.
Stop Ideas Near Milton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cocobeet - Boston
Boston's Old City Hall
Brockton City Hall
Boston City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Milton.
Route 128 station
Back Bay station
South Station
North Station
Flight Path Map
This map shows the direct air route between Brockton and South Boston. Straight-line distance: 17.35 mi (27.92 km).
#1 Brockton
The second most populous city in Plymouth County, Massachusetts.
| Population | 95,770 |
| Coordinates | 42.0834300, -71.0183800 |
| Altitude | 35 |
| 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: 35 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 43m |
| 40 mph (64.37 km/h) | 00h 32m |
| 50 mph (80.47 km/h) | 00h 26m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $3.00 | $5.99 |
| Mid-grade | $4.40 | $3.39 | $6.77 |
| Premium | $4.80 | $3.70 | $7.39 |
| Diesel | $4.49 | $3.46 | $6.91 |
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.