Origin
Cohasset, MA
Late night in Cohasset on Sunday
Local time
3:34 AM
EDT
Current temp
53°F
Unavailable
Live forecast
Trip from Cohasset, MA to Cambridge, MA
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
44m
Distance
23.3 mi
38 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 41m
★
6 AM
0h 45m
8 AM
0h 52m
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.
Cambridge, MA
Wikimedia Commons
Trip Overview
Traveling from Cohasset to Cambridge covers 23.3 miles of Massachusetts geography, typically taking about 44 minutes depending on traffic conditions. This route is perfectly suited for a single-day excursion, as it is short enough to handle in one go without needing an overnight stay. You should budget approximately $4 for fuel to complete the trip. Your path will take you through the Northeast region, transitioning from the coast toward the academic and urban hub of Cambridge. Because the drive is straightforward, it functions well as a quick transit rather than a multi-day journey.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Southeast Expressway | 3.3 mi | 4m |
| John F. Fitzgerald Expressway | 2.5 mi | 4m |
| Newport Avenue | 2.3 mi | 4m |
| Justice Cushing Way | 1.9 mi | 2m |
| Bridge Street | 1.7 mi | 2m |
| Washington Street | 1.7 mi | 2m |
| Lincoln Street | 1.5 mi | 2m |
| North Main Street | 1.5 mi | 2m |
Longest stretch:
Southeast Expressway
— 3.3 mi, about 4m
Turn-by-Turn Driving Directions
Step-by-step road directions between Cohasset, MA and Cambridge, MA.
1
Start on North Main Street
1.5 mi
·
2 min
·
North Main Street
2
Turn left onto King Street
0.2 mi
·
29 sec
·
King Street
3
Turn right onto MA 3A
0.8 mi
·
1 min
·
Chief Justice Cushing Highway
4
Continue on MA 3A
1.9 mi
·
2 min
·
Justice Cushing Way
Use the left / straight / right lanes.
5
Enter roundabout onto MA 3A
353 ft
·
6 sec
·
Summer Street
6
Continue on MA 3A
0.2 mi
·
16 sec
·
Summer Street
7
Continue on MA 3A
0.6 mi
·
1 min
·
Otis Street
8
Continue on MA 3A
0.6 mi
·
55 sec
·
Broad Cove Road
9
Continue on MA 3A
1.5 mi
·
2 min
·
Lincoln Street
10
Continue on MA 3A
1.7 mi
·
2 min
·
Bridge Street
11
Continue on MA 3A
0.3 mi
·
1 min
·
Fore River Bridge
12
Continue on MA 3A
464 ft
·
7 sec
·
Washington Street
13
Enter roundabout onto MA 3A
190 ft
·
3 sec
·
Washington Street
14
Continue on MA 3A
1.6 mi
·
2 min
·
Washington Street
Use the straight / right lanes.
15
Continue on Hancock Street
0.3 mi
·
33 sec
·
Hancock Street
Use the straight lane.
16
Keep slight left at fork onto Adams Street
0.3 mi
·
42 sec
·
Adams Street
17
Turn right onto Newport Avenue
2.3 mi
·
4 min
·
Newport Avenue
Use the right lane.
18
Turn slight left onto MA 3A
0.3 mi
·
33 sec
·
Hancock Street
19
Continue on MA 3A
0.2 mi
·
19 sec
·
Neponset Avenue
20
Merge onto MA 3A
247 ft
·
6 sec
·
William T. Morrissey Boulevard
Use the straight / left lanes.
21
Take the exit onto MA 3A
0.3 mi
·
34 sec
·
MA 3A
Toward I 93 North, US 1 North: Boston
22
Merge onto I 93; US 1; MA 3
3.3 mi
·
4 min
·
Southeast Expressway
Use the straight / slight right lanes.
23
Continue on I 93; US 1; MA 3
2.5 mi
·
4 min
·
John F. Fitzgerald Expressway
Use the straight / slight right lanes.
24
Take the exit onto MA 3
0.5 mi
·
58 sec
·
MA 3
Exit 18
Toward Storrow Drive
25
Keep slight left at fork
0.1 mi
·
15 sec
Toward MA 28 North: Leverett Circle, North Station
26
Keep slight left at fork
213 ft
·
9 sec
Toward MA 28 North: O'Brien Highway
Use the slight left / slight right lanes.
27
Continue on MA 28
0.3 mi
·
1 min
·
Charles River Dam Road
Use the straight lane.
28
Continue on MA 28
0.2 mi
·
34 sec
·
Monsignor O'Brien Highway
Toward MA 28 North: O'Brien Highway, Somerville
Use the straight lane.
29
Turn left onto Cambridge Street
1.4 mi
·
4 min
·
Cambridge Street
Use the left / straight lanes.
30
Turn right onto Line Street
0.2 mi
·
51 sec
·
Line Street
31
Turn left onto Leonard Avenue
460 ft
·
19 sec
·
Leonard Avenue
32
Arrive at destination
Leonard Avenue
Heads-up: tricky spots
5 of 175 decision points cluster between mile 14.4 and 21.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
14.4 mi into trip
|
~26m in
|
MA 3A / William T. Morrissey Boulevard
Merge onto MA 3A / William T. Morrissey Boulevard
Merge point - match speed before joining. Lane positioning matters here
Use the straight / left lanes.
6
14.4 mi into trip
|
~26m in
|
MA 3A
Take the exit onto MA 3A toward I 93 North, US 1 North: Boston
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 93 North, US 1 North: Boston
6
20.9 mi into trip
|
~36m in
Keep slight left at fork toward MA 28 North: Leverett Circle, North Station
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward MA 28 North: Leverett Circle, North Stat...
8
21.1 mi into trip
|
~37m in
Keep slight left at fork toward MA 28 North: O'Brien Highway
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Toward MA 28 North: O'Brien Highway
6
21.6 mi into trip
|
~39m in
|
Cambridge Street
Turn left onto Cambridge Street
Lane positioning matters here
Use the left / straight lanes.
Fuel & Cost
Regular Gas
$3.73 one way
$7.46 round trip
$4.07/gal
25.4 MPG avg
8 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.43 | $4.07 | $8.13 |
| premium | $4.82 | $4.42 | $8.85 |
| diesel | $5.61 | $5.14 | $10.29 |
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 | 0 | $2.45 | $1.12 |
| Efficient EV | 5.8 | 0 | $2.04 | $0.93 |
| EV Truck/SUV | 9.3 | 0 | $3.26 | $1.49 |
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.
Destination
Cambridge, MA
Late night in Cambridge on Sunday
Local time
3:34 AM
EDT
Current temp
62°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
9 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
44m 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 turn-heavy local drive that requires your full attention as you navigate through the area. While you will utilize the Southeast Expressway, the John F. Fitzgerald Expressway, and Newport Avenue, only 27% of your total mileage is spent on highways. The longest uninterrupted stretch you will encounter is a brief 3.3-mile segment on the Southeast Expressway. This creates a stop-and-go experience that feels less like a monotonous interstate cruise and more like a series of connected local maneuvers.
Only 27% highway — the rest is turn-by-turn surface driving.
32 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 3.3 mi on Southeast Expressway.
How Hard Is This Drive?
10/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 14.4 miles in near MA 3A / William T. Morrissey Boulevard.
Driving Effort
10/10
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 17 decision points packed into just 23.3 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 44m.
Where does it get tricky?
The main spots that need attention: at 14.4 miles (MA 3A / William T. Morrissey Boulevard): Merge point - match speed before joining. Lane positioning matters here; at 14.4 miles (MA 3A): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 20.9 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Cohasset, MA and Cambridge, MA, road signs point toward Station and Somerville.
Station
20.9 mi in
|
~36m
Somerville
21.5 mi in
|
~38m
|
via MA 28
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 44m. Total distance: 23.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
44m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 3.3 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 Cambridge, 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 14.4 miles (MA 3A / William T. Morrissey Boulevard): Merge point - match speed before joining. Lane positioning matters here; at 14.4 miles (MA 3A): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 20.9 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
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 Cambridge, 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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