How far is Somerville, MA from Princeton, MA?

The driving distance from Somerville, MA to Princeton, MA is about 52.4 miles (84.3 km), with a travel time of about 01h 20m by car.

  • The straight-line flight distance is about 39.9 miles (64.2 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.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
52.39 mi
01h 20m
Flight
39.9 mi
64.21 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Somerville.

Flight Distance

Direct air line
39.9 mi
Kilometers
64.21 km
Flight Time
00h 04m

Driving Distance

Road route
52.39 mi
Kilometers
84.32 km
Drive Time
01h 20m

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.

Arrival Snapshot
Arrive in Princeton
Thu, Apr 23, 10:18 AM EDT
Return by in Somerville
Thu, Apr 23, 11:38 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Somerville
2026-04-23T08:58
Arrive Princeton
Thu, Apr 23, 10:18 AM EDT
Route Timing
01h 20m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:20 AM to 11:20 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:50 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Somerville
9:30 PM EDT
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Littleton
MA

Town in Middlesex County, Massachusetts, United States

From Somerville
26.2 mi
00h 40m
To Princeton
26.2 mi
00h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Thursday

Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
3 to 9 mph NW
Destination
62°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 to 10 mph NW

Driving Route Map

The map below follows the saved road route between Somerville and Princeton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Somerville and Princeton.

  1. 1

    Start on the route

    50 m · 14 sec

  2. 2

    Turn right onto Highland Avenue

    1.3 mi · 5 min · Highland Avenue

  3. 3

    Turn left onto Dover Street

    1483 ft · 1 min · Dover Street

  4. 4

    Turn right onto Massachusetts Avenue

    1 km · 1 min · Massachusetts Avenue

  5. 5

    Turn left onto Alewife Brook Parkway

    1895 ft · 50 sec · Alewife Brook Parkway

  6. 6

    Turn right onto Concord Turnpike

    4.1 mi · 6 min · Concord Turnpike

  7. 7

    Continue on Concord Highway

    2.9 mi · 4 min · Concord Highway

  8. 8

    Continue on Cambridge Turnpike

    3.3 mi · 5 min · Cambridge Turnpike

  9. 9

    Continue on Concord Turnpike

    3.9 mi · 6 min · Concord Turnpike

  10. 10

    Continue on Elm Street

    1635 ft · 35 sec · Elm Street

  11. 11

    Enter the roundabout and take exit 3 toward Concord Rotary

    124 m · 5 sec · Union Turnpike

  12. 12

    Exit the rotary onto Union Turnpike

    3035 ft · 39 sec · Union Turnpike

  13. 13

    Continue on Massachusetts Avenue

    6.2 mi · 9 min · Massachusetts Avenue

  14. 14

    Continue on George W Stanton Highway

    1406 ft · 22 sec · George W Stanton Highway

  15. 15

    Continue on Captain Isaac Davis Highway

    11.2 mi · 15 min · Captain Isaac Davis Highway

  16. 16

    Keep slight right to continue on Leominster Connector

    2912 ft · 1 min · Leominster Connector

  17. 17

    Take the exit slight right

    1010 ft · 25 sec

  18. 18

    Continue straight

    944 ft · 23 sec

  19. 19

    Merge slight left

    9.5 mi · 11 min

  20. 20

    Take the exit slight right toward MA 140: West Boylston, Princeton

    1346 ft · 33 sec

  21. 21

    Keep slight right

    86 m · 7 sec

  22. 22

    Turn straight onto Redemption Rock Trail

    2.2 mi · 3 min · Redemption Rock Trail

  23. 23

    Turn left onto Princeton Road

    1 km · 1 min · Princeton Road

  24. 24

    Continue on Sterling Road

    2.9 mi · 5 min · Sterling Road

  25. 25

    Continue on Gregory Hill Road

    726 ft · 17 sec · Gregory Hill Road

  26. 26

    Turn slight left onto East Princeton Road

    44 m · 3 sec · East Princeton Road

  27. 27

    Turn straight onto Gregory Hill Road

    1681 ft · 34 sec · Gregory Hill Road

  28. 28

    Turn slight right onto Hubbardston Road

    41 m · 3 sec · Hubbardston Road

  29. 29

    Arrive at your destination

    0 m · 1 sec · Hubbardston Road

Car Route Details

A richer read on the saved driving route between Somerville and Princeton.

OSRM road route
Drive Character

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.

Directions
29 steps
14 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
55.3 / 100 mi
Decision points by distance
Main Roads
Captain Isaac Davis Highway
11.2 mi · 21%
Leominster Connector
10.4 mi · 20%
Concord Turnpike
7.97 mi · 15%
Massachusetts Avenue
6.89 mi · 13%
Cambridge Turnpike
3.33 mi · 6%
Sterling Road
2.89 mi · 6%
Longest Stretch

Captain Isaac Davis Highway

Continue on Captain Isaac Davis Highway

11.2 mi · 00h 15m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 20m
Day trip friendly
Same-Day Return
02h 40m
Round-trip wheel time
Road vs Air
+12.5 mi
39.9 mi direct line
Halfway Stop
Littleton
00h 40m from Somerville
Leave By
3:50 PM EDT
Morning start is best
Weather Watch

Partly Sunny leaving Somerville 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 Somerville to Princeton?

The road trip is about 52.4 miles (84.3 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?

Littleton is a useful midpoint, sitting about 26.2 miles from Somerville and 26.2 miles from Princeton.

How much longer is the road route than the straight-line distance?

The direct path is about 39.9 miles (64.2 km), while the road route adds roughly 12.5 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 3:50 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.20 one way or $14.39 round trip. Estimated CO2 is about 16.4 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Somerville and Mostly Sunny near Princeton.

Stop Ideas Near Littleton

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Littleton and the surrounding midpoint area.
Stop photo coming soon
Scenic stop 13.9 mi away

City Hall - Internet Backbone Point

Fitchburg , MA
Boulder Dr, Fitchburg, MA 01420
Landmark
Lowell City Hall
Meeting point 14.3 mi away

Lowell City Hall

Lowell , MA
375 Merrimack St, Lowell, MA 01852
Rating 4.1/5 51 reviews City Hall

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Littleton.

BUS

Nashua, NH

28 mi away
8 North Southwood Drive
RAIL

Framingham station

30 mi away
417 Waverly St.
RAIL

Anderson Regional Transportation Center

31 mi away
100 Atlantic Ave.
RAIL

Union Station

38 mi away
2 Washington Square

Flight Path Map

This map shows the direct air route between Somerville and Princeton. Straight-line distance: 39.9 mi (64.21 km).

Somerville

#1 Somerville

A city in Middlesex County, Massachusetts.

Population80,935
Coordinates42.3876000, -71.0995000
Altitude28
CountryUnited States
Princeton

#2 Princeton

Town in Worcester County, Massachusetts, United States

Population3,486
Coordinates42.4487000, -71.8773000
Altitude346
CountryUnited States
Start: Somerville (-71.0995, 42.3876)
End: Princeton (-71.8773, 42.4487)

Estimated Travel Time

Distance: 84 km by road

SpeedTime
30 mph (48.3 km/h)01h 44m
40 mph (64.37 km/h)01h 18m
50 mph (80.47 km/h)01h 02m
60 mph (96.56 km/h)00h 52m
70 mph (112.65 km/h)00h 44m
80 mph (129 km/h)00h 39m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.85 gal
7 L · about $7.20
Round trip
$14.39
3.7 gal · 14 L
Estimated CO2
16.4 kg one way
Round trip: 32.9 kg / 73 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $7.20 $14.39
Mid-grade $4.40 $8.13 $16.27
Premium $4.80 $8.88 $17.76
Diesel $4.49 $8.30 $16.61

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

There is no time difference between Somerville and Princeton. The current time is 08:58:42.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.