The drive from Boston, MA to Williamstown, MA covers 156.7 miles and takes about 3h 27m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Massachusetts Turnpike, Cold Spring Road, Williamstown Road for much of the mileage,
and the overall profile is highway-focused drive.
The longest uninterrupted segment is about 122.9 miles on Massachusetts Turnpike.
At current regular gas prices, budget about $25.08 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
78.4 miles from Boston, MA
A natural place for your longest stop of the day
, about 1h 35m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 27m. Total distance: 156.7 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 27m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (80%). Some complex stretches to watch for.
Drive Character
This is a 3h 27m highway drive covering 156.7 miles, with most of the trip on Massachusetts Turnpike and Cold Spring Road. The longest continuous stretch is about 122.9 miles on Massachusetts Turnpike.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 31 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Massachusetts Turnpike is the longest continuous segment at about 122.9 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on Massachusetts Turnpike and Cold Spring Road. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near Tremont Street.
Driving Effort7/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 12 significant decision points across 156.7 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: near the start (Tremont Street): Lane positioning matters here; at 1 miles: Multiple destination signs - pick the right one; at 1.1 miles (I 90 / Massachusetts Turnpike): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 12 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip|~0m in|Tremont Street
Depart onto Tremont Street
Lane positioning matters here
Use the straight / right lanes.
5
1 mi into trip|~3m in
Take the ramp toward I 90 West, Massachusetts Turnpike Toll West
Multiple destination signs - pick the right one
Toward I 90 West, Massachusetts Turnpike Toll W...
5
1.1 mi into trip|~3m in|I 90 / Massachusetts Turnpike
Merge onto I 90 / Massachusetts Turnpike
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
55.9 mi into trip|~1h 9m in|I 90 / Massachusetts Turnpike
Keep slight left at fork onto I 90 / Massachusetts Turnpike
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
6
124 mi into trip|~2h 27m in
Take the exit toward US 20: Lee, Pittsfield
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 10
Toward US 20: Lee, Pittsfield
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 Boston, MA to Williamstown, MA, road signs begin pointing toward Pittsfield along the way.
Pittsfield
124 mi in|~2h 27m
Main Roads
Road
Distance
Duration
Massachusetts Turnpike
122.9 mi
2h 24m
Cold Spring Road
4.1 mi
7m
Williamstown Road
3.8 mi
5m
New Ashford Road
3.5 mi
5m
South Main Street
3.2 mi
5m
South Street
2.9 mi
6m
North Street
2.6 mi
5m
Pittsfield Road
2.5 mi
4m
Longest stretch:
Massachusetts Turnpike
— 122.9 mi, about 2h 24m
Turn-by-Turn Driving Directions
Step-by-step road directions between Boston, MA and Williamstown, MA.
1
Start on Tremont Street
0.8 mi·2 min·Tremont Street
Use the straight / right lanes.
2
Continue on Tremont Street
301 ft·14 sec·Tremont Street
3
Continue on Tremont Street
482 ft·20 sec·Tremont Street
4
Turn right onto Marginal Road
316 ft·12 sec·Marginal Road
5
Take the ramp
0.1 mi·11 sec
Toward I 90 West, Massachusetts Turnpike Toll West
6
Merge onto I 90
55 mi·1 hr 5 min·Massachusetts Turnpike
Use the straight / slight right lanes.
7
Keep slight left at fork onto I 90
68 mi·1 hr 18 min·Massachusetts Turnpike
Use the straight lane.
8
Take the exit
0.6 mi·1 min
Exit 10Toward US 20: Lee, Pittsfield
9
Keep slight right at fork
376 ft·9 sec
10
Merge onto US 20
0.5 mi·1 min·Housatonic Street
11
Continue on US 20
0.1 mi·18 sec·Park Street
12
Turn slight right onto US 20
0.4 mi·1 min·Main Street
13
Turn left onto US 20
0.2 mi·12 sec·West Center Street
14
Continue on US 20
1.2 mi·2 min·Laurel Street
15
Continue on US 20
1.2 mi·2 min·Lee Road
16
Continue on US 7; US 20
2.2 mi·2 min·Veterans Memorial Highway
17
Continue on US 7; US 20
2.5 mi·4 min·Pittsfield Road
18
Continue on US 7; US 20
2.9 mi·6 min·South Street
19
Keep slight right at fork onto US 7
0.2 mi·26 sec·Bank Row
20
Turn left onto US 7
0.8 mi·2 min·First Street
21
Continue on US 7
2.6 mi·5 min·North Street
22
Continue on US 7
3.2 mi·5 min·South Main Street
23
Continue on US 7
3.8 mi·5 min·Williamstown Road
24
Continue on US 7
1.2 mi·1 min·New Ashford Road
25
Continue on US 7
2.2 mi·3 min·Route 7
26
Continue on US 7
2.3 mi·3 min·New Ashford Road
27
Continue on US 7
4.1 mi·7 min·Cold Spring Road
28
Continue on MA 2; US 7
500 ft·17 sec·Main Street
29
Continue on MA 2
0.3 mi·44 sec·Main Street
30
Turn right onto Spring Street
150 ft·4 sec·Spring Street
31
Arrive at destination
Spring Street
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 78.4 miles from Boston, MA, or about 1h 35m into the drive.
The longest continuous stretch on this route runs about 122.9 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 34 miles or 43m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 78.4 miles or 1h 35m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 36m
Traffic, exits, and arrival timing usually matter more near Williamstown, MA than in the middle of the route.
Before You Leave
+
Open the route before leaving Boston, MA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Boston, MA
This is one driving day of about 156.7 miles and 3h 27m.
Your first comfortable stop window is around 34 miles from Boston, MA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Massachusetts Turnpike for about 122.9 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 78.4 mi from Boston, MA
· 1h 35m into the drive
Place data sourced from public business listings. Hours and availability may vary.
National Parks Near This Route
Worth a detour if your schedule allows.
Boston National Historical Park
National Historical Park
Discover how one city could be the Cradle of Liberty, site of the first major battle of American Revolution, and home to many who espoused that freedom can be extended to all.
1 mi from route
~2 min detour
Free
Park Closure: Dorchester Heights Temporary Public Access Restrictions
. . . where you can walk a Civil War-era fort, view historic lighthouses, explore tide pools, hike lush trails, camp under the stars, or relax while fishing, picnicking, or swimming—all within reach o...
From the sweet little farm at the foot of Penn’s Hill to the gentleman’s country estate at Peace field, Adams National Historical Park is the story of “heroes, statesmen, philosophers…and learned wome...
At Minute Man National Historical Park the opening battle of the Revolution is brought to life as visitors explore the battlefields and structures associated with April 19, 1775, and witness the Ameri...
8 mi from route
~21 min detour
Free
near mile 10.8
From the Sound to the summits: the New England Trail covers 235 miles from Long Island Sound across long ridges to scenic mountain summits in Connecticut and Massachusetts. The trail offers panoramic...
9 mi from route
~22 min detour
Free
near mile 81.1
Originally established in 1938 as the first National Historic Site in the United States, Salem Maritime National Historical Park consists of nine acres of land and twelve historic structures along the...
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$25.08 one way
$50.16 round trip
$4.07/gal25.4 MPG avg55 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.43
$27.35
$54.70
premium
$4.82
$29.75
$59.51
diesel
$5.61
$34.60
$69.19
Estimated Tolls: $7.37
Massachusetts Turnpike
(122.9 mi)$7.37
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$25
Tolls
$7
Meals
$25–$50
Total
$57–$82
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 54.8 kg one way.
Prices: EIA weekly data, 2026-04-13.
EV Charging Along Route
3 DC fast chargers
· Coverage: good
Comfort Inn - Tesla Supercharger
Revere, MA
Tesla
8 DCFC
Hampton Inn-Boston Logan
Revere, MA
eVgo Network
4 DCFC
Wellington Circle Plaza
Medford, MA
eVgo Network
4 DCFC
eVgo Network: 2
Tesla: 1
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $16 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
47
0
$16.45
$7.52
Efficient EV
39.2
0
$13.71
$6.27
EV Truck/SUV
62.7
0
$21.94
$10.03
Gas CO2
55 kg
EV CO2
18 kg (67% 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.
Forecast as of Apr 16, 2026
Origin
Boston, MA
Night
in Boston on Friday
Local time
10:02 PM
EDT
Current temp
62°F
Unavailable
Live forecast
Destination
Williamstown, MA
Night
in Williamstown on Friday
Local time
10:02 PM
EDT
Current temp
58°F
Unavailable
Live forecast
65°F
Springfield, MA
78 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
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
4 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 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.
Frequently Asked Questions
The drive from Boston, MA to Williamstown, MA covers 156.7 miles and takes about 3h 27m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Massachusetts Turnpike, Cold Spring Road, Williamstown Road. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 78.4 miles from Boston, MA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $25.08 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a demanding drive. With 12 significant decision points across 156.7 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: near the start (Tremont Street): Lane positioning matters here; at 1 miles: Multiple destination signs - pick the right one; at 1.1 miles (I 90 / Massachusetts Turnpike): Merge point - match speed before joining. Lane positioning matters here.
On the drive from Boston, MA to Williamstown, MA, road signs begin pointing toward Pittsfield along the way.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, NREL for EV charging, and NPS for national parks. See our methodology for refresh cadence and limitations.
