How far is Cambridge, MA from Marshfield, MA?
The driving distance from Cambridge, MA to Marshfield, MA is about 33.5 miles (53.9 km), with a travel time of about 00h 51m by car.
- The straight-line flight distance is about 28.3 miles (45.6 km).
- For a round trip, plan for roughly 01h 43m 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 51m.
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.
The most populous city in Norfolk County, Massachusetts.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Cambridge and Marshfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cambridge and Marshfield.
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1
Start on Leonard Avenue
81 m · 17 sec · Leonard Avenue
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2
Turn left onto Cambridge Street
1391 ft · 1 min · Cambridge Street
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3
Continue on Cambridge Street
1.3 mi · 4 min · Cambridge Street
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4
Merge slight left onto Monsignor O'Brien Highway
755 ft · 23 sec · Monsignor O'Brien Highway
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5
Continue on Charles River Dam Road
1832 ft · 1 min · Charles River Dam Road
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6
Take the exit straight toward I 93 South: Quincy, Logan Airport
2427 ft · 1 min
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7
Merge slight left onto John F. Fitzgerald Expressway
2.7 mi · 4 min · John F. Fitzgerald Expressway
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8
Continue on Southeast Expressway
8 mi · 11 min · Southeast Expressway
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9
Keep slight left to continue on MA 3 South: Cape Cod
16.4 mi · 21 min
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10
Take the exit slight right toward MA 139: Marshfield, Hanover, Marshfield Municipal Airport
1416 ft · 48 sec
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11
Turn right onto Church Street
2345 ft · 54 sec · Church Street
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12
Continue on Plain Street
2.4 mi · 4 min · Plain Street
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13
Continue on Ocean Street
1.3 km · 2 min · Ocean Street
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14
Arrive at your destination
0 m · 1 sec · Ocean Street
Car Route Details
A richer read on the saved driving route between Cambridge and Marshfield.
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.
MA 3 South
Keep slight left to continue on MA 3 South: Cape Cod
16.4 mi · 00h 21m
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.
Mostly Cloudy then Chance Rain Showers leaving Cambridge and Mostly Sunny near Marshfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cambridge to Marshfield?
The road trip is about 33.5 miles (53.9 km) and usually takes 00h 51m 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?
Weymouth is a useful midpoint, sitting about 16.7 miles from Cambridge and 16.8 miles from Marshfield.
How much longer is the road route than the straight-line distance?
The direct path is about 28.3 miles (45.6 km), while the road route adds roughly 5.2 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 4:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.59 one way or $9.18 round trip. Estimated CO2 is about 10.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Rain Showers around Cambridge and Mostly Sunny near Marshfield.
Stop Ideas Near Weymouth
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cocobeet - Boston
Boston's Old City Hall
Brockton City Hall
Boston City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Weymouth.
Route 128 station
South Station
Back Bay station
North Station
Flight Path Map
This map shows the direct air route between Cambridge and Marshfield. Straight-line distance: 28.32 mi (45.58 km).
#1 Cambridge
The most populous city in Middlesex County, Massachusetts.
| Population | 119,192 |
| Coordinates | 42.3751000, -71.1056100 |
| Altitude | 5 |
| Country | United States |
#2 Marshfield
Village and civil parish in Gloucestershire, UK
| Population | 26,037 |
| Coordinates | 42.0917700, -70.7055900 |
| Altitude | 5 |
| Country | United States |
End: Marshfield (-70.70559, 42.09177)
Estimated Travel Time
Distance: 54 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 07m |
| 40 mph (64.37 km/h) | 00h 50m |
| 50 mph (80.47 km/h) | 00h 40m |
| 60 mph (96.56 km/h) | 00h 33m |
| 70 mph (112.65 km/h) | 00h 28m |
| 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 | $4.59 | $9.18 |
| Mid-grade | $4.40 | $5.19 | $10.38 |
| Premium | $4.80 | $5.66 | $11.33 |
| Diesel | $4.49 | $5.30 | $10.59 |
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 · May 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.