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Trip from Cambridge, MA to Cohasset, MA

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards

Drive Time

45m

Distance

23.5 mi

38 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$4

one way

EV Charging

Unknown

Best Time to Leave

Save up to 12 min
4 AM
0h 41m ★
6 AM
0h 45m
8 AM
0h 53m
10 AM
0h 48m
12 PM
0h 47m
3 PM
0h 48m
5 PM
0h 52m
8 PM
0h 43m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly
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city in Middlesex County, Massachusetts, United States of America

Cambridge, MA

Wikimedia Commons

Trip Overview

If you are planning a quick getaway from Cambridge to Cohasset, you are looking at a manageable 23.5-mile trip that typically takes about 45 minutes. This route is a straightforward day trip, making it an ideal choice if you prefer to avoid the hassle of overnight logistics. You will navigate through the Northeast corridor, transitioning from the urban center of Cambridge toward the coastal atmosphere of Cohasset. With fuel costs estimated at $4, the drive is budget-friendly and requires no mid-trip stops. It is a practical, efficient path for travelers who want to maximize their time at the destination rather than behind the wheel.

Main Roads

Road Distance Duration
Southeast Expressway 3.8 mi 5m
John F. Fitzgerald Expressway 2.7 mi 4m
Newport Avenue Extension 2.3 mi 5m
North Main Street 2.1 mi 3m
Bridge Street 1.7 mi 2m
Washington Street 1.7 mi 2m
Cambridge Street 1.6 mi 5m
Lincoln Street 1.5 mi 2m
Longest stretch: Southeast Expressway — 3.8 mi, about 5m

Turn-by-Turn Driving Directions

Step-by-step road directions between Cambridge, MA and Cohasset, MA.

1

Start on Leonard Avenue

267 ft · 16 sec · Leonard Avenue
2

Turn left onto Cambridge Street

0.3 mi · 1 min · Cambridge Street
Use the straight lane.
3

Continue on Cambridge Street

1.3 mi · 4 min · Cambridge Street
Use the straight lane.
4

Merge onto MA 28

0.1 mi · 23 sec · Monsignor O'Brien Highway
5

Continue on MA 28

0.3 mi · 1 min · Charles River Dam Road
Use the straight lane.
6

Take the exit onto MA 3

0.5 mi · 1 min · MA 3
Toward I 93 South: Quincy, Logan Airport
7

Merge onto I 93; US 1; MA 3

2.7 mi · 4 min · John F. Fitzgerald Expressway
Use the straight / slight right lanes.
8

Continue on I 93; US 1; MA 3

3.8 mi · 5 min · Southeast Expressway
9

Take the exit onto MA 3A

0.2 mi · 39 sec · MA 3A
Exit 12 Toward MA 3A South: Neponset, Quincy Use the slight right lane.
10

Merge onto MA 3A

0.1 mi · 8 sec · Gallivan Boulevard
11

Take the exit onto MA 3A

0.3 mi · 32 sec · MA 3A
12

Keep slight right at fork onto MA 3A

0.2 mi · 25 sec · Hancock Street
Use the slight right lane.
13

Turn slight right onto Newport Avenue Extension

2.3 mi · 5 min · Newport Avenue Extension
Use the right lane.
14

Turn left onto Adams Street

0.3 mi · 41 sec · Adams Street
15

Turn straight onto Hancock Street

0.3 mi · 33 sec · Hancock Street
16

Continue on Washington Street

1.6 mi · 2 min · Washington Street
Use the straight lane.
17

Enter roundabout onto MA 3A

220 ft · 3 sec · Washington Street
18

Continue on MA 3A

451 ft · 7 sec · Washington Street
19

Continue on MA 3A

0.3 mi · 1 min · Fore River Bridge
20

Continue on MA 3A

1.7 mi · 2 min · Bridge Street
21

Continue on MA 3A

1.5 mi · 2 min · Lincoln Street
22

Continue on MA 3A

0.6 mi · 55 sec · Broad Cove Road
23

Continue on MA 3A

0.6 mi · 1 min · Otis Street
24

Continue on MA 3A

0.2 mi · 14 sec · Summer Street
25

Enter roundabout onto MA 3A

134 ft · 2 sec · Justice Cushing Way
26

Continue on MA 3A

1.2 mi · 1 min · Justice Cushing Way
27

Turn left onto MA 228

0.4 mi · 37 sec · East Street
Use the left lane.
28

Continue on East Street

0.5 mi · 58 sec · East Street
29

Continue on North Main Street

2.1 mi · 3 min · North Main Street
30

Arrive at destination

North Main Street

Heads-up: tricky spots

5 of 13

5 decision points cluster between mile 0.1 and 9.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

7
0.1 mi into trip | ~0m in | Cambridge Street

Turn left onto Cambridge Street

Lane positioning matters here

Use the straight lane.
5
2.1 mi into trip | ~7m in | MA 3

Take the exit onto MA 3 toward I 93 South: Quincy, Logan Airport

Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one

Toward I 93 South: Quincy, Logan Airport
5
2.6 mi into trip | ~8m in | I 93; US 1; MA 3 / John F. Fitzgerald Expressway

Merge onto I 93; US 1; MA 3 / John F. Fitzgerald Expressway

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
8
9.1 mi into trip | ~17m in | MA 3A

Take the exit onto MA 3A toward MA 3A South: Neponset, Quincy

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 12 Toward MA 3A South: Neponset, Quincy
7
9.7 mi into trip | ~19m in | MA 3A / Hancock Street

Keep slight right at fork onto MA 3A / Hancock Street

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight right lane.

Fuel & Cost

Regular Gas

$3.76 one way

$7.52 round trip

$4.07/gal 25.4 MPG avg 8 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.43 $4.10 $8.20
premium $4.82 $4.46 $8.92
diesel $5.61 $5.19 $10.38

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$4

Estimated CO2 emission: 8.2 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $2 in charging · 0 stops · 63% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 7.1 0 $2.47 $1.13
Efficient EV 5.9 0 $2.06 $0.94
EV Truck/SUV 9.4 0 $3.29 $1.50

Gas CO2

8 kg

EV CO2

3 kg (63% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 21, 2026

Origin

Cambridge, MA

Morning in Cambridge on Tuesday

Local time

6:58 AM

EDT

Current temp

60°F

Unavailable

Live forecast

Destination

Cohasset, MA

Morning in Cohasset on Tuesday

Local time

6:58 AM

EDT

Current temp

58°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

2 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

45m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

Expect a mixed driving profile that keeps the journey dynamic as you move away from the city. You will spend about 30% of your time on highways, utilizing the Southeast Expressway and the John F. Fitzgerald Expressway to gain momentum. The driving environment shifts as you transition to the Newport Avenue Extension, moving away from high-speed corridors. Do not expect long, monotonous stretches, as your longest highway segment is limited to just 3.8 miles on the Southeast Expressway. This blend of infrastructure creates a drive that changes pace frequently, requiring you to stay alert as you navigate from urban arteries toward your final destination.

30% highway, the rest on surface roads — varied driving throughout.
30 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 3.8 mi on Southeast Expressway.

How Hard Is This Drive?

9/10

This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Cambridge Street.

Driving Effort 9/10

Focused - lots of decisions in a short distance, but it is over quickly

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 13 decision points packed into just 23.5 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 45m.

Where does it get tricky?

The main spots that need attention: at 0.1 miles (Cambridge Street): Lane positioning matters here; at 2.1 miles (MA 3): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 2.6 miles (I 93; US 1; MA 3 / John F. Fitzgerald Expressway): Merge point - match speed before joining. Lane positioning matters here.

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Cambridge, MA and Cohasset, MA, road signs point toward Logan Airport and Quincy.

Logan Airport

2.1 mi in | ~7m | via MA 3

Quincy

9.1 mi in | ~17m | via MA 3A

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 45m. Total distance: 23.5 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

45m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (30%). Some complex stretches to watch for.

Scenic Drive

Mixed highway & surface route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 3.8 miles on Southeast Expressway. The full list of main roads is in the Roads section above.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Cohasset, MA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: at 0.1 miles (Cambridge Street): Lane positioning matters here; at 2.1 miles (MA 3): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 2.6 miles (I 93; US 1; MA 3 / John F. Fitzgerald Expressway): Merge point - match speed before joining. Lane positioning matters here.

Yes — Adams National Historical Park, Boston National Historical Park and Boston Harbor Islands National Recreation Area (6 total within detour distance). See the National Parks section for detour distances and tips on detours.

Yes. A round trip is manageable in a single day if you plan a break at Cohasset, MA before heading back.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.

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