How far is Dennis, MA from Cambridge, MA?

The driving distance from Dennis, MA to Cambridge, MA is about 80.3 miles (129.3 km), with a travel time of about 01h 33m by car.

  • The straight-line flight distance is about 64.4 miles (103.6 km).
  • For a round trip, plan for roughly 03h 06m 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
80.33 mi
01h 33m
Flight
64.35 mi
103.56 km direct

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

Learn Distance

Choose another destination from Dennis.

Flight Distance

Direct air line
64.35 mi
Kilometers
103.56 km
Flight Time
00h 07m

Driving Distance

Road route
80.33 mi
Kilometers
129.28 km
Drive Time
01h 33m

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 33m.

Arrival Snapshot
Arrive in Cambridge
Thu, Apr 23, 3:18 PM EDT
Return by in Dennis
Thu, Apr 23, 4:51 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dennis
2026-04-23T13:44
Arrive Cambridge
Thu, Apr 23, 3:18 PM EDT
Route Timing
01h 33m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:33 AM to 11:33 AM EDT

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

Leave by
3:24 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dennis
9:30 PM EDT
Morning start is best

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.

Mid-route stop
North Plymouth
MA

Census-designated place in Plymouth County, Massachusetts

From Dennis
39.9 mi
00h 46m
To Cambridge
40.5 mi
00h 46m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Dennis Weather
MA
Live fallback forecast
53°F
Thursday
Using Orleans as the closest live forecast in the Barnstable County weather hub.

Chance T-storms

Starts
Thu, Apr 23 6:00 AM EDT
Wind
6 to 10 mph W
Destination
58°F
Thursday

Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
2 to 9 mph NW

Driving Route Map

The map below follows the saved road route between Dennis and Cambridge.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dennis and Cambridge.

  1. 1

    Start on the route

    59 m · 21 sec

  2. 2

    Turn left onto Route 6A

    1.2 mi · 2 min · Route 6A

  3. 3

    Continue on Main Street

    3.4 mi · 6 min · Main Street

  4. 4

    Turn left onto Willow Street

    1 mi · 2 min · Willow Street

  5. 5

    Take the ramp left toward US 6 West: Boston, Providence, RI

    1006 ft · 26 sec

  6. 6

    Merge slight left onto Mid Cape Highway

    17.3 mi · 24 min · Mid Cape Highway

  7. 7

    Continue on Sagamore Bridge

    2134 ft · 46 sec · Sagamore Bridge

  8. 8

    Continue on Pilgrim Highway

    1336 ft · 20 sec · Pilgrim Highway

  9. 9

    Continue on Pilgrims Highway

    42.3 mi · 53 min · Pilgrims Highway

  10. 10

    Continue on I 93 North: Boston

    8.4 mi · 11 min

  11. 11

    Continue on John F. Fitzgerald Expressway

    2.5 mi · 4 min · John F. Fitzgerald Expressway

  12. 12

    Take the exit slight right toward Storrow Drive

    2408 ft · 59 sec

  13. 13

    Keep slight left to continue on MA 28 North: Leverett Circle, North Station

    635 ft · 16 sec

  14. 14

    Keep slight left to continue on MA 28 North: O'Brien Highway

    65 m · 9 sec

  15. 15

    Continue on Charles River Dam Road

    1802 ft · 1 min · Charles River Dam Road

  16. 16

    Continue on Monsignor O'Brien Highway

    955 ft · 35 sec · Monsignor O'Brien Highway

  17. 17

    Turn left onto Cambridge Street

    1.4 mi · 5 min · Cambridge Street

  18. 18

    Turn right onto Line Street

    1062 ft · 52 sec · Line Street

  19. 19

    Turn left onto Leonard Avenue

    140 m · 20 sec · Leonard Avenue

  20. 20

    Arrive at your destination

    0 m · 1 sec · Leonard Avenue

Car Route Details

A richer read on the saved driving route between Dennis and Cambridge.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
20 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
24.9 / 100 mi
Decision points by distance
Main Roads
Pilgrims Highway
42.3 mi · 53%
Mid Cape Highway
17.3 mi · 21%
I 93 North
8.41 mi · 10%
Main Street
3.43 mi · 4%
John F. Fitzgerald Expressway
2.49 mi · 3%
Cambridge Street
1.42 mi · 2%
Longest Stretch

Pilgrims Highway

Continue on Pilgrims Highway

42.3 mi · 00h 53m

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 33m
Day trip friendly
Same-Day Return
03h 06m
Round-trip wheel time
Road vs Air
+15.9 mi
64.4 mi direct line
Halfway Stop
North Plymouth
00h 46m from Dennis
Leave By
3:24 PM EDT
Morning start is best
Weather Watch

Chance T-storms leaving Dennis and Partly Sunny near Cambridge.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dennis to Cambridge?

The road trip is about 80.3 miles (129.3 km) and usually takes 01h 33m 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?

North Plymouth is a useful midpoint, sitting about 39.9 miles from Dennis and 40.5 miles from Cambridge.

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

The direct path is about 64.4 miles (103.6 km), while the road route adds roughly 15.9 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 3:24 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.01 one way or $22.02 round trip. Estimated CO2 is about 25.2 kg one way.

What should you check before leaving?

Before you leave, expect Chance T-storms around Dennis and Partly Sunny near Cambridge.

Stop Ideas Near North Plymouth

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

Mid-route Guidance
Local place coverage is thin around North Plymouth, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to North Plymouth.

RAIL

Route 128 station

47 mi away
50 University Ave
RAIL

South Station

52 mi away
2 South Station
RAIL

Back Bay station

53 mi away
145 Dartmouth St.
RAIL

North Station

54 mi away
100 Legends Way

Flight Path Map

This map shows the direct air route between Dennis and Cambridge. Straight-line distance: 64.35 mi (103.56 km).

Dennis

#1 Dennis

Town in Barnstable County, Massachusetts, United States

Population13,890
Coordinates41.7353900, -70.1939100
Altitude5
CountryUnited States
Cambridge

#2 Cambridge

The most populous city in Middlesex County, Massachusetts.

Population119,192
Coordinates42.3751000, -71.1056100
Altitude5
CountryUnited States
Start: Route 6a (-70.194729, 41.735379)
End: Leonard Avenue (-71.105735, 42.375115)

Estimated Travel Time

Distance: 129 km by road

SpeedTime
30 mph (48.3 km/h)02h 40m
40 mph (64.37 km/h)02h 00m
50 mph (80.47 km/h)01h 36m
60 mph (96.56 km/h)01h 20m
70 mph (112.65 km/h)01h 08m
80 mph (129 km/h)01h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.83 gal
10.73 L · about $11.01
Round trip
$22.02
5.66 gal · 21.46 L
Estimated CO2
25.2 kg one way
Round trip: 50.3 kg / 111 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $11.01 $22.02
Mid-grade $4.40 $12.44 $24.89
Premium $4.80 $13.58 $27.16
Diesel $4.49 $12.70 $25.40

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 Dennis and Cambridge. The current time is 13:44:46.

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.