Origin
Somerville, MA
Late night in Somerville on Sunday
Local time
4:10 AM
EDT
Current temp
63°F
Unavailable
Live forecast
Trip from Somerville, MA to Mattapoisett, MA
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
1h 27m
Distance
66.8 mi
108 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$11
one way
EV Charging
Unknown
Best Time to Leave
4 AM
1h 21m
★
6 AM
1h 28m
8 AM
1h 41m
10 AM
1h 32m
12 PM
1h 31m
3 PM
1h 33m
5 PM
1h 40m
8 PM
1h 24m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Somerville, MA
Wikimedia Commons
Mattapoisett, MA
David Kanigan
Trip Overview
Somerville, MA to Mattapoisett, MA is 66.8 miles and takes about 1h 27m via I 495 and I 93, with a fuel budget near $11 and enough daylight to finish in a day. This trip stays within Massachusetts, moving from the bustling Northeast region towards the southeastern part of the state. Expect a drive that's primarily on major highways, making it a straightforward journey for a single day. It’s a practical option if you’re looking for a direct route with minimal fuss between these two points.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 495 | 19 mi | 21m |
| Amvets Highway | 17.7 mi | 20m |
| I 93 | 15.9 mi | 22m |
| I 195 | 8.8 mi | 10m |
| North Street | 1 mi | 1m |
| McGrath Highway | 0.6 mi | 1m |
| Highland Avenue | 0.4 mi | 1m |
| County Road | 0.4 mi | <1m |
Longest stretch:
I 495
— 19 mi, about 21m
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerville, MA and Mattapoisett, MA.
1
Start on this road
163 ft
·
17 sec
·
this road
2
Turn left onto Highland Avenue
0.4 mi
·
1 min
·
Highland Avenue
3
Continue on Medford Street
440 ft
·
13 sec
·
Medford Street
4
Turn left onto MA 28
0.6 mi
·
1 min
·
McGrath Highway
Use the left lane.
5
Take the exit
206 ft
·
5 sec
Toward I 93, MA 38: Medford, Boston
6
Keep slight right at fork
313 ft
·
8 sec
Toward I 93 South: Boston
7
Turn slight right
0.1 mi
·
17 sec
Toward I 93 South: Boston
8
Keep slight left at fork
0.3 mi
·
38 sec
Toward I 93 South: Boston
9
Merge onto I 93
12 mi
·
17 min
·
I 93
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 93; US 1
3.4 mi
·
4 min
·
I 93; US 1
Toward I 93 South, US 1 South: Providence Rhode Island
11
Take the exit
0.7 mi
·
1 min
Exit 4
Toward MA 24 South: Fall River
Use the slight left / straight lanes.
12
Continue on MA 24
18 mi
·
20 min
·
Amvets Highway
Use the straight / slight right lanes.
13
Take the exit
0.7 mi
·
1 min
Exit 22A
Toward I 495 South: Cape Cod
Use the right lane.
14
Merge onto I 495
19 mi
·
21 min
·
I 495
Use the straight lane.
15
Take the exit
0.4 mi
·
39 sec
Exit 1
Toward I 195 West: Wareham, New Bedford
16
Continue on I 195
8.8 mi
·
10 min
·
I 195
17
Take the exit
0.3 mi
·
49 sec
Exit 31A
Toward Mattapoisett
18
Continue on North Street
1.0 mi
·
1 min
·
North Street
19
Turn right onto US 6
0.4 mi
·
40 sec
·
County Road
20
Turn left onto Main Street
0.3 mi
·
43 sec
·
Main Street
21
Arrive at destination
Main Street
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
33 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 15 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 33.4 miles from Somerville, MA, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 155 decision points cluster between mile 1.2 and 36 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
1.2 mi into trip
|
~3m in
Keep slight right at fork toward I 93 South: Boston
Highway fork - watch signs carefully
Toward I 93 South: Boston
6
1.4 mi into trip
|
~4m in
Keep slight left at fork toward I 93 South: Boston
Highway fork - watch signs carefully
Toward I 93 South: Boston
6
14.1 mi into trip
|
~22m in
|
I 93; US 1
Keep slight right at fork onto I 93; US 1 toward I 93 South, US 1 South: Providence Rhode Island
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward I 93 South, US 1 South: Providence Rhode...
7
17.6 mi into trip
|
~27m in
Take the exit toward MA 24 South: Fall River
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight left / straight lanes.
Exit 4
Toward MA 24 South: Fall River
7
36 mi into trip
|
~49m in
Take the exit toward I 495 South: Cape Cod
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the right lane.
Exit 22A
Toward I 495 South: Cape Cod
Fuel & Cost
Regular Gas
$10.69 one way
$21.38 round trip
$4.07/gal
25.4 MPG avg
23 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.43 | $11.66 | $23.32 |
| premium | $4.82 | $12.68 | $25.37 |
| diesel | $5.61 | $14.75 | $29.50 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$11
Estimated CO2 emission: 23.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $7 in charging · 0 stops · 65% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 20 | 0 | $7.01 | $3.21 |
| Efficient EV | 16.7 | 0 | $5.85 | $2.67 |
| EV Truck/SUV | 26.7 | 0 | $9.35 | $4.28 |
Gas CO2
23 kg
EV CO2
8 kg (65% 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
Mattapoisett, MA
Late night in Mattapoisett on Sunday
Local time
4:10 AM
EDT
Current temp
--
Unavailable
62°F
Canton, MA
33 mi in
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Road read
1h 27m 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?
This route leans heavily into its highway-focused profile, with 65% of the drive on major roadways like I 495 and I 93. You'll experience significant stretches of uninterrupted driving, including a notable 19-mile segment on I 495. While the Amvets Highway offers a slight shift, the overall character is one of efficient travel. Prepare for a dynamic where you'll be navigating faster speeds for most of the journey.
65% highway — fuel and pacing are the main things to plan.
21 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 19 mi on I 495.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on I 495 and Amvets Highway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.2 miles in.
Driving Effort
10/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 66.8 miles you will encounter 15 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 1.2 miles: Highway fork - watch signs carefully; at 1.4 miles: Highway fork - watch signs carefully; at 14.1 miles (I 93; US 1): 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.
On the drive from Somerville, MA to Mattapoisett, MA, road signs begin pointing toward New Bedford along the way.
New Bedford
55.7 mi in
|
~1h 12m
About the Cities
Starting in Somerville, MA
Full guide →Older Bostonians might still derisively call it "Slummerville", but today that tired old moniker couldn't be further from the truth. Packed with upwardly mobile professionals and longtime residents, Somerville is often voted an "All-America City" and the best-run city in Massachusetts. It would seem civically engaged folks can achieve uncommon results; and Somerville fosters an environment of cooperation like no other. Its 81,000 residents (2020) are quick to enjoy the fruits of their artistry, and you'll find top notch options for dinner, drinks, and dancing all in abundance within Somerville's borders. Lurking just to the south, big brothers Boston and Cambridge provide options and opportunities for many of Somerville's creative class residents.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 27m. Total distance: 66.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 27m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (65%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 19 miles on I 495. 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 Mattapoisett, 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 1.2 miles: Highway fork - watch signs carefully; at 1.4 miles: Highway fork - watch signs carefully; at 14.1 miles (I 93; US 1): 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 Mattapoisett, 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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