How far is Onset, MA from Brockton, MA?
The driving distance from Onset, MA to Brockton, MA is about 36 miles (57.9 km), with a travel time of about 00h 45m by car.
- The straight-line flight distance is about 30 miles (48.3 km).
- For a round trip, plan for roughly 01h 31m 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 45m.
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 Onset and Brockton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Onset and Brockton.
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1
Start on Onset Avenue
1.5 mi · 3 min · Onset Avenue
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2
Turn slight right onto Depot Street
2011 ft · 1 min · Depot Street
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3
Turn left onto Cranberry Highway
1084 ft · 26 sec · Cranberry Highway
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4
Keep slight right to continue on Cranberry Highway
933 ft · 23 sec · Cranberry Highway
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5
Keep slight right to continue on Maple Springs Road
2019 ft · 34 sec · Maple Springs Road
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6
Take the ramp slight right toward MA 25 West
1607 ft · 40 sec
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7
Merge slight left
2.8 mi · 3 min
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8
Continue straight
18.7 mi · 22 min
-
9
Take the exit slight right toward MA 24 North: Boston
1.4 km · 2 min
-
10
Merge slight left onto Amvets Highway
7.7 mi · 9 min · Amvets Highway
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11
Take the exit slight right toward MA 123 East: Brockton
2217 ft · 1 min
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12
Turn straight onto Belmont Street
2.4 mi · 5 min · Belmont Street
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13
At the end of the road, turn left onto Main Street
1069 ft · 29 sec · Main Street
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14
Turn right onto Church Street
125 m · 13 sec · Church Street
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15
Turn uturn
21 m · 8 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Onset and Brockton.
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 25 West
Continue straight
18.7 mi · 00h 22m
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 Onset and Chance Rain Showers near Brockton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Onset to Brockton?
The road trip is about 36 miles (57.9 km) and usually takes 00h 45m 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 18 miles from Onset and 18 miles from Brockton.
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 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.94 one way or $9.88 round trip. Estimated CO2 is about 11.3 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Onset and Chance Rain Showers near Brockton.
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 Onset and Brockton. Straight-line distance: 30.02 mi (48.31 km).
#1 Onset
Census designated place
| Population | 1,573 |
| Coordinates | 41.7417700, -70.6578100 |
| Altitude | 4 |
| Country | United States |
#2 Brockton
The second most populous city in Plymouth County, Massachusetts.
| Population | 95,770 |
| Coordinates | 42.0834300, -71.0183800 |
| Altitude | 35 |
| Country | United States |
End: (-71.018337, 42.083421)
Estimated Travel Time
Distance: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 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 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $4.94 | $9.88 |
| Mid-grade | $4.40 | $5.58 | $11.17 |
| Premium | $4.80 | $6.09 | $12.19 |
| Diesel | $4.49 | $5.70 | $11.40 |
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.