How far is Brockton, MA from Onset, MA?
The driving distance from Brockton, MA to Onset, MA is about 33.9 miles (54.6 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 30 miles (48.3 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 Brockton and Onset.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brockton and Onset.
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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 · 12 sec · Church Street
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4
Turn right onto Montello Street
822 ft · 34 sec · Montello Street
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5
Turn right onto Crescent Street
635 ft · 18 sec · Crescent Street
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6
Turn left onto Burke's Court
132 m · 19 sec · Burke's Court
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7
Turn right onto Maple Avenue
63 m · 14 sec · Maple Avenue
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8
Turn left onto Main Street
4.3 mi · 8 min · Main Street
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9
Turn left onto East Center Street
53 m · 5 sec · East Center Street
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10
Turn right onto South Main Street
2.6 mi · 4 min · South Main Street
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11
Turn right onto Central Square
546 ft · 11 sec · Central Square
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12
Turn left onto Bedford Street
6 mi · 10 min · Bedford Street
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13
Enter the roundabout and take exit 2 toward Middleborough Rotary
80 m · 4 sec · Bedford Street
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14
Exit the rotary onto Bedford Street
1764 ft · 35 sec · Bedford Street
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15
Take the ramp slight right
1965 ft · 48 sec
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16
Merge slight left
14.1 mi · 16 min
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17
Continue straight
2.9 mi · 3 min
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18
Take the exit slight right toward US 6, MA 28: Onset, Wareham
1128 ft · 39 sec
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19
Keep slight right to continue on US 6, MA 28: Onset, Wareham
126 m · 15 sec
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20
Turn straight onto Maple Springs Road
598 ft · 12 sec · Maple Springs Road
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21
Continue on Cranberry Highway
2515 ft · 1 min · Cranberry Highway
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22
Turn right onto Depot Street
1538 ft · 44 sec · Depot Street
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23
Turn slight left onto Onset Avenue
1.5 mi · 3 min · Onset Avenue
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24
Arrive at your destination
0 m · 1 sec · Onset Avenue
Car Route Details
A richer read on the saved driving route between Brockton and Onset.
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.
Bedford Street
Merge slight left
14.1 mi · 00h 16m
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 Brockton and Rain Showers Likely near Onset.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brockton to Onset?
The road trip is about 33.9 miles (54.6 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?
Middleborough is a useful midpoint, sitting about 17 miles from Brockton and 17 miles from Onset.
How much longer is the road route than the straight-line distance?
The direct path is about 30 miles (48.3 km), while the road route adds roughly 3.9 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 $4.67 one way or $9.34 round trip. Estimated CO2 is about 10.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Brockton and Rain Showers Likely near Onset.
Stop Ideas Near Middleborough
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 Middleborough.
Route 128 station
Providence station
Back Bay station
South Station
Flight Path Map
This map shows the direct air route between Brockton and Onset. Straight-line distance: 30.02 mi (48.31 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 Onset
Census designated place
| Population | 1,573 |
| Coordinates | 41.7417700, -70.6578100 |
| Altitude | 4 |
| Country | United States |
End: Onset (-70.65781, 41.74177)
Estimated Travel Time
Distance: 55 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 07m |
| 40 mph (64.37 km/h) | 00h 50m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 33m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $4.67 | $9.34 |
| Mid-grade | $4.40 | $5.28 | $10.55 |
| Premium | $4.80 | $5.76 | $11.52 |
| Diesel | $4.49 | $5.39 | $10.77 |
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.