How far is Boston, MA from Princeton, MA?
The driving distance from Boston, MA to Princeton, MA is about 60 miles (96.6 km), with a travel time of about 01h 20m by car.
- The straight-line flight distance is about 42.2 miles (67.9 km).
- For a round trip, plan for roughly 02h 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 01h 20m.
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 Princeton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boston and Princeton.
-
1
Start on Tremont Street
1.2 km · 3 min · Tremont Street
-
2
Continue on Tremont Street
92 m · 15 sec · Tremont Street
-
3
Continue on Tremont Street
147 m · 21 sec · Tremont Street
-
4
Turn right onto Marginal Road
96 m · 13 sec · Marginal Road
-
5
Take the ramp straight toward I 90 West, Massachusetts Turnpike Toll West
753 ft · 12 sec
-
6
Merge slight left onto Massachusetts Turnpike
37.1 mi · 45 min · Massachusetts Turnpike
-
7
Take the exit slight right toward MA 122: Millbury, Worcester
1 km · 2 min
-
8
Keep slight left
53 m · 11 sec
-
9
Turn left onto Grafton Road
2091 ft · 53 sec · Grafton Road
-
10
Continue on Grafton Street
2.9 mi · 3 min · Grafton Street
-
11
Enter the roundabout and take exit 3 toward Grafton Street
38 m · 2 sec · Grafton Street
-
12
Exit the roundabout onto Grafton Street
1941 ft · 33 sec · Grafton Street
-
13
Take the exit slight right toward I 290 East: Shrewsbury, Marlboro
1003 ft · 27 sec
-
14
Merge slight left
1.7 mi · 3 min
-
15
Take the exit slight right toward I 190 North, MA 70: Sterling, Leominster, Burncoat Street, Lincoln Street
788 ft · 14 sec
-
16
Keep slight left to continue on I 190 North: Sterling, Leominster
1897 ft · 33 sec
-
17
Continue straight
8.4 mi · 10 min
-
18
Take the exit slight right toward MA 140: West Boylston, Princeton
1683 ft · 42 sec
-
19
Turn left onto Redemption Rock Trail
2.3 mi · 4 min · Redemption Rock Trail
-
20
Turn left onto Princeton Road
1 km · 1 min · Princeton Road
-
21
Continue on Sterling Road
2.9 mi · 5 min · Sterling Road
-
22
Continue on Gregory Hill Road
726 ft · 17 sec · Gregory Hill Road
-
23
Turn slight left onto East Princeton Road
44 m · 3 sec · East Princeton Road
-
24
Turn straight onto Gregory Hill Road
1681 ft · 34 sec · Gregory Hill Road
-
25
Turn slight right onto Hubbardston Road
41 m · 3 sec · Hubbardston Road
-
26
Arrive at your destination
0 m · 1 sec · Hubbardston Road
Car Route Details
A richer read on the saved driving route between Boston and Princeton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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 Princeton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boston to Princeton?
The road trip is about 60 miles (96.6 km) and usually takes 01h 20m 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?
Westborough is a useful midpoint, sitting about 30 miles from Boston and 30.1 miles from Princeton.
How much longer is the road route than the straight-line distance?
The direct path is about 42.2 miles (67.9 km), while the road route adds roughly 17.8 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 3:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.25 one way or $16.49 round trip. Estimated CO2 is about 18.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Boston and Mostly Sunny near Princeton.
Stop Ideas Near Westborough
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 Westborough.
Union Station
Framingham station
Route 128 station
Back Bay station
Flight Path Map
This map shows the direct air route between Boston and Princeton. Straight-line distance: 42.17 mi (67.87 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 Princeton
Town in Worcester County, Massachusetts, United States
| Population | 3,486 |
| Coordinates | 42.4487000, -71.8773000 |
| Altitude | 346 |
| Country | United States |
End: Princeton (-71.8773, 42.4487)
Estimated Travel Time
Distance: 97 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 59m |
| 40 mph (64.37 km/h) | 01h 30m |
| 50 mph (80.47 km/h) | 01h 12m |
| 60 mph (96.56 km/h) | 01h 00m |
| 70 mph (112.65 km/h) | 00h 51m |
| 80 mph (129 km/h) | 00h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $8.25 | $16.49 |
| Mid-grade | $4.40 | $9.32 | $18.64 |
| Premium | $4.80 | $10.17 | $20.35 |
| Diesel | $4.49 | $9.51 | $19.03 |
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.