How far is Groton, MA from Cambridge, MA?
The driving distance from Groton, MA to Cambridge, MA is about 34.4 miles (55.4 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 29 miles (46.6 km).
- For a round trip, plan for roughly 01h 46m 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 53m.
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.
City in Middlesex County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Mostly Cloudy
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Groton and Cambridge.
Turn-by-Turn Driving Directions
Step-by-step road directions between Groton and Cambridge.
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1
Start on the route
27 m · 11 sec
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2
At the end of the road, turn left onto Main Street
1.3 km · 2 min · Main Street
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3
Keep slight left to continue on Boston Road
3.9 mi · 7 min · Boston Road
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4
Continue on Great Road
9.1 mi · 17 min · Great Road
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5
Continue on Elm Street
3099 ft · 59 sec · Elm Street
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6
Enter the roundabout and take exit 3 toward Concord Rotary
156 m · 7 sec · Elm Street
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7
Exit the rotary onto Elm Street
1635 ft · 35 sec · Elm Street
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8
Continue on Concord Turnpike
3.7 mi · 5 min · Concord Turnpike
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9
Continue on Cambridge Turnpike Rte 2
3.5 mi · 5 min · Cambridge Turnpike Rte 2
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10
Continue on Concord Highway
3.4 mi · 5 min · Concord Highway
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11
Continue on Concord Turnpike
3.5 mi · 5 min · Concord Turnpike
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12
Take the exit slight left toward MA 16 East, US 3 North: Medford, Woburn
144 m · 14 sec
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13
Merge slight right onto Alewife Brook Parkway
1781 ft · 51 sec · Alewife Brook Parkway
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14
Turn right onto Massachusetts Avenue
1.2 mi · 3 min · Massachusetts Avenue
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15
Turn left onto Somerville Avenue
1177 ft · 54 sec · Somerville Avenue
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16
Turn right onto Beacon Street
1.6 km · 3 min · Beacon Street
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17
Turn right onto Cooney Street
90 m · 13 sec · Cooney Street
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18
At the end of the road, turn right onto Line Street
90 m · 19 sec · Line Street
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19
Turn left onto Leonard Avenue
140 m · 20 sec · Leonard Avenue
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20
Arrive at your destination
0 m · 1 sec · Leonard Avenue
Car Route Details
A richer read on the saved driving route between Groton and Cambridge.
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.
Great Road
Continue on Great Road
9.11 mi · 00h 17m
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 then Mostly Cloudy leaving Groton and Light Rain Likely near Cambridge.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Groton to Cambridge?
The road trip is about 34.4 miles (55.4 km) and usually takes 00h 53m 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?
West Concord is a useful midpoint, sitting about 16 miles from Groton and 18.5 miles from Cambridge.
How much longer is the road route than the straight-line distance?
The direct path is about 29 miles (46.6 km), while the road route adds roughly 5.4 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 4:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.75 one way or $9.49 round trip. Estimated CO2 is about 10.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Mostly Cloudy around Groton and Light Rain Likely near Cambridge.
Stop Ideas Near West Concord
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 West Concord.
Framingham station
Anderson Regional Transportation Center
Back Bay station
North Station
Flight Path Map
This map shows the direct air route between Groton and Cambridge. Straight-line distance: 28.92 mi (46.55 km).
#1 Groton
Town in Connecticut
| Population | 11,256 |
| Coordinates | 42.6112000, -71.5745100 |
| Altitude | 101 |
| Country | United States |
#2 Cambridge
The most populous city in Middlesex County, Massachusetts.
| Population | 119,192 |
| Coordinates | 42.3751000, -71.1056100 |
| Altitude | 5 |
| Country | United States |
End: Leonard Avenue (-71.105735, 42.375115)
Estimated Travel Time
Distance: 55 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 08m |
| 40 mph (64.37 km/h) | 00h 51m |
| 50 mph (80.47 km/h) | 00h 41m |
| 60 mph (96.56 km/h) | 00h 34m |
| 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 | $4.75 | $9.49 |
| Mid-grade | $4.40 | $5.36 | $10.73 |
| Premium | $4.80 | $5.85 | $11.71 |
| Diesel | $4.49 | $5.48 | $10.95 |
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.