How far is Dennis Port, MA from Somerville, MA?

The driving distance from Dennis Port, MA to Somerville, MA is about 82.7 miles (133.1 km), with a travel time of about 01h 56m by car.

  • The straight-line flight distance is about 70.8 miles (114 km).
  • For a round trip, plan for roughly 03h 52m 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
82.7 mi
01h 56m
Flight
70.86 mi
114.04 km direct

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

Learn Distance

Choose another destination from Dennis Port.

Flight Distance

Direct air line
70.86 mi
Kilometers
114.04 km
Flight Time
00h 08m

Driving Distance

Road route
82.7 mi
Kilometers
133.1 km
Drive Time
01h 56m

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 56m.

Arrival Snapshot
Arrive in Somerville
Wed, Apr 15, 7:39 PM EDT
Return by in Dennis Port
Wed, Apr 15, 9:36 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dennis Port
2026-04-15T17:43
Arrive Somerville
Wed, Apr 15, 7:39 PM EDT
Route Timing
01h 56m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:56 AM to 11:56 AM EDT

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

Leave by
2:38 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dennis Port
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 Port
41.3 mi
00h 58m
To Somerville
41.4 mi
00h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Dennis Port Weather
MA
Live fallback forecast
53°F
This Afternoon
Using Chatham as the closest live forecast in the Barnstable County weather hub.

Mostly Sunny

Starts
Wed, Apr 15 4:00 PM EDT
Wind
9 mph SE
Destination
77°F
Today

Partly Sunny then Chance Rain Showers

Starts
Wed, Apr 15 9:00 AM EDT
Wind
2 to 8 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Dennis Port and Somerville.

  1. 1

    Start on Sea Street

    550 ft · 32 sec · Sea Street

  2. 2

    Turn sharp left onto Lower County Road

    2.2 mi · 4 min · Lower County Road

  3. 3

    Continue on School Street

    2751 ft · 1 min · School Street

  4. 4

    At the end of the road, turn left onto Main Street

    1.2 km · 1 min · Main Street

  5. 5

    Continue on Bridge Street

    640 ft · 16 sec · Bridge Street

  6. 6

    Turn right onto North Main Street

    78 m · 6 sec · North Main Street

  7. 7

    Turn left onto Station Avenue

    2.3 mi · 4 min · Station Avenue

  8. 8

    Take the ramp slight right toward US 6 West: Hyannis, Boston

    1492 ft · 39 sec

  9. 9

    Merge slight left onto Mid Cape Highway

    19.5 mi · 27 min · Mid Cape Highway

  10. 10

    Continue on Sagamore Bridge

    2134 ft · 46 sec · Sagamore Bridge

  11. 11

    Continue on Pilgrim Highway

    1336 ft · 20 sec · Pilgrim Highway

  12. 12

    Continue on Pilgrims Highway

    42.3 mi · 53 min · Pilgrims Highway

  13. 13

    Continue on I 93 North: Boston

    8.4 mi · 11 min

  14. 14

    Continue on John F. Fitzgerald Expressway

    3.2 mi · 5 min · John F. Fitzgerald Expressway

  15. 15

    Keep slight right to continue on I 93 North: Concord NH

    3075 ft · 47 sec

  16. 16

    Take the exit slight right toward Sullivan Square, Somerville

    2135 ft · 1 min

  17. 17

    Turn left onto Cambridge Street

    1270 ft · 46 sec · Cambridge Street

  18. 18

    Continue on Washington Street

    2455 ft · 1 min · Washington Street

  19. 19

    Turn right onto McGrath Highway

    1306 ft · 26 sec · McGrath Highway

  20. 20

    Turn left onto Medford Street

    101 m · 12 sec · Medford Street

  21. 21

    Keep slight left to continue on Highland Avenue

    2280 ft · 2 min · Highland Avenue

  22. 22

    Turn right

    50 m · 12 sec

  23. 23

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
23 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
27.8 / 100 mi
Decision points by distance
Main Roads
Pilgrims Highway
42.3 mi · 51%
Mid Cape Highway
19.5 mi · 24%
I 93 North
9 mi · 11%
John F. Fitzgerald Expressway
3.19 mi · 4%
Station Avenue
2.28 mi · 3%
Lower County Road
2.17 mi · 3%
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 56m
Day trip friendly
Same-Day Return
03h 52m
Round-trip wheel time
Road vs Air
+11.9 mi
70.8 mi direct line
Halfway Stop
North Plymouth
00h 58m from Dennis Port
Leave By
2:38 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Dennis Port and Partly Sunny then Chance Rain Showers near Somerville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dennis Port to Somerville?

The road trip is about 82.7 miles (133.1 km) and usually takes 01h 56m 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 41.3 miles from Dennis Port and 41.4 miles from Somerville.

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

The direct path is about 70.8 miles (114 km), while the road route adds roughly 11.9 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 2:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.36 one way or $22.72 round trip. Estimated CO2 is about 26 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Dennis Port and Partly Sunny then Chance Rain Showers near Somerville.

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 Port and Somerville. Straight-line distance: 70.86 mi (114.04 km).

Dennis Port

#1 Dennis Port

Census designated place

Population3,162
Coordinates41.6584500, -70.1286300
Altitude6
CountryUnited States
Somerville

#2 Somerville

A city in Middlesex County, Massachusetts.

Population80,935
Coordinates42.3876000, -71.0995000
Altitude28
CountryUnited States
Start: Dennis Port (-70.12863, 41.65845)
End: Somerville (-71.0995, 42.3876)

Estimated Travel Time

Distance: 133 km by road

SpeedTime
30 mph (48.3 km/h)02h 45m
40 mph (64.37 km/h)02h 04m
50 mph (80.47 km/h)01h 39m
60 mph (96.56 km/h)01h 22m
70 mph (112.65 km/h)01h 10m
80 mph (129 km/h)01h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.92 gal
11.05 L · about $11.36
Round trip
$22.72
5.84 gal · 22.1 L
Estimated CO2
26 kg one way
Round trip: 51.9 kg / 114 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $11.36 $22.72
Mid-grade $4.40 $12.84 $25.68
Premium $4.80 $14.01 $28.03
Diesel $4.49 $13.10 $26.21

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 15, 2026

There is no time difference between Dennis Port and Somerville. The current time is 17:43:38.

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.