How far is Boston, MA from Petersham, MA?
The driving distance from Boston, MA to Petersham, MA is about 72.7 miles (117 km), with a travel time of about 01h 47m by car.
- The straight-line flight distance is about 58.2 miles (93.6 km).
- For a round trip, plan for roughly 03h 35m 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 01h 47m.
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 Massachusetts
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Boston and Petersham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boston and Petersham.
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1
Start on Tremont Street
1.2 km · 3 min · Tremont Street
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2
Continue on Tremont Street
92 m · 15 sec · Tremont Street
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3
Continue on Tremont Street
147 m · 21 sec · Tremont Street
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4
Turn right onto Marginal Road
96 m · 13 sec · Marginal Road
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5
Take the ramp straight toward I 90 West, Massachusetts Turnpike Toll West
753 ft · 12 sec
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6
Merge slight left onto Massachusetts Turnpike
37.1 mi · 45 min · Massachusetts Turnpike
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7
Take the exit slight right toward MA 122: Millbury, Worcester
1 km · 2 min
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8
Keep slight left
53 m · 11 sec
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9
Turn left onto Grafton Road
2091 ft · 53 sec · Grafton Road
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10
Continue on Grafton Street
2.9 mi · 3 min · Grafton Street
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11
Enter the roundabout and take exit 3 toward Grafton Street
38 m · 2 sec · Grafton Street
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12
Exit the roundabout onto Grafton Street
2390 ft · 39 sec · Grafton Street
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13
Continue on Grafton Street
572 ft · 18 sec · Grafton Street
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14
Turn left onto Harding Street
1456 ft · 32 sec · Harding Street
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15
Enter the roundabout and take exit 2 toward Kelley Square
22 m · 1 sec · Madison Street
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16
Exit the rotary onto Madison Street
2542 ft · 1 min · Madison Street
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17
Continue on Chandler Street
3 mi · 5 min · Chandler Street
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18
Turn left onto Pleasant Street
6.8 mi · 12 min · Pleasant Street
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19
Continue on Barre Paxton Road
4.5 mi · 7 min · Barre Paxton Road
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20
Continue on Worcester Road
6.1 mi · 11 min · Worcester Road
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21
Continue on Summer Street
1.2 mi · 2 min · Summer Street
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22
Continue on Pleasant Street
545 ft · 9 sec · Pleasant Street
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23
Turn left onto West Street
3.8 mi · 6 min · West Street
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24
Continue on Barre Road
3.3 mi · 6 min · Barre Road
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25
Turn right onto South Main Street
1684 ft · 36 sec · South Main Street
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26
Turn slight left onto Common Street
56 m · 8 sec · Common Street
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27
Arrive at your destination
0 m · 1 sec · Common Street
Car Route Details
A richer read on the saved driving route between Boston and Petersham.
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.
Massachusetts Turnpike
Merge slight left onto Massachusetts Turnpike
37.1 mi · 00h 45m
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.
Partly Sunny leaving Boston and Mostly Sunny near Petersham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boston to Petersham?
The road trip is about 72.7 miles (117 km) and usually takes 01h 47m 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?
Grafton is a useful midpoint, sitting about 36.3 miles from Boston and 36.4 miles from Petersham.
How much longer is the road route than the straight-line distance?
The direct path is about 58.2 miles (93.6 km), while the road route adds roughly 14.5 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 2:54 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.00 one way or $19.99 round trip. Estimated CO2 is about 22.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Boston and Mostly Sunny near Petersham.
Stop Ideas Near Grafton
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 Grafton.
Union Station
Framingham station
Route 128 station
Providence station
Flight Path Map
This map shows the direct air route between Boston and Petersham. Straight-line distance: 58.19 mi (93.64 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 Petersham
Town in Massachusetts
| Population | 1,237 |
| Coordinates | 42.4875900, -72.1870300 |
| Altitude | 330 |
| Country | United States |
End: Petersham (-72.18703, 42.48759)
Estimated Travel Time
Distance: 117 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 25m |
| 40 mph (64.37 km/h) | 01h 49m |
| 50 mph (80.47 km/h) | 01h 27m |
| 60 mph (96.56 km/h) | 01h 12m |
| 70 mph (112.65 km/h) | 01h 02m |
| 80 mph (129 km/h) | 00h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $10.00 | $19.99 |
| Mid-grade | $4.40 | $11.30 | $22.60 |
| Premium | $4.80 | $12.33 | $24.67 |
| Diesel | $4.49 | $11.53 | $23.07 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.