How far is Marlborough, CT from Williamstown, MA?
The driving distance from Marlborough, CT to Williamstown, MA is about 115.3 miles (185.5 km), with a travel time of about 02h 42m by car.
- The straight-line flight distance is about 83.8 miles (134.9 km).
- For a round trip, plan for roughly 05h 25m 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 02h 42m.
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.
Town in the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Marlborough and Williamstown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marlborough and Williamstown.
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1
Start on East Hampton Road
1660 ft · 43 sec · East Hampton Road
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2
Take the exit left toward CT 2 West: Hartford
967 ft · 24 sec
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3
Merge slight left
14.4 mi · 18 min
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4
Take the exit slight right toward I 84 West, I 91 North
2938 ft · 1 min
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5
Merge slight left
1991 ft · 34 sec
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6
Take the exit slight right toward I 91 North: Springfield, Bradley International Airport
2121 ft · 1 min
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7
Merge slight left
30.5 mi · 38 min
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8
Take the exit slight right toward I 90 Toll: Boston, Albany New York
1.1 km · 2 min
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9
Keep slight right to continue on I 90
1073 ft · 26 sec
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10
Keep slight right to continue on I 90 West: West Stockbridge, Albany NY
2281 ft · 56 sec
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11
Merge slight left onto Massachusetts Turnpike
34.6 mi · 40 min · Massachusetts Turnpike
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12
Take the exit slight right toward US 20: Lee, Pittsfield
3137 ft · 1 min
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13
Keep slight right
115 m · 9 sec
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14
Merge slight left onto Housatonic Street
2865 ft · 1 min · Housatonic Street
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15
Continue on Park Street
648 ft · 18 sec · Park Street
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16
Turn slight right onto Main Street
2327 ft · 1 min · Main Street
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17
Turn left onto West Center Street
959 ft · 13 sec · West Center Street
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18
Continue on Laurel Street
1.2 mi · 2 min · Laurel Street
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19
Continue on Lee Road
1.2 mi · 2 min · Lee Road
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20
Continue on Veterans Memorial Highway
2.2 mi · 3 min · Veterans Memorial Highway
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21
Continue on Pittsfield Road
2.5 mi · 5 min · Pittsfield Road
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22
Continue on South Street
2.9 mi · 6 min · South Street
-
23
Keep slight right to continue on Bank Row
926 ft · 26 sec · Bank Row
-
24
Turn left onto First Street
1.4 km · 3 min · First Street
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25
Continue on North Street
2.6 mi · 6 min · North Street
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26
Continue on South Main Street
3.2 mi · 6 min · South Main Street
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27
Continue on Williamstown Road
3.8 mi · 5 min · Williamstown Road
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28
Continue on New Ashford Road
1.2 mi · 2 min · New Ashford Road
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29
Continue on Route 7
2.2 mi · 3 min · Route 7
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30
Continue on New Ashford Road
2.3 mi · 4 min · New Ashford Road
-
31
Continue on Cold Spring Road
4.1 mi · 8 min · Cold Spring Road
-
32
Continue on Main Street
153 m · 17 sec · Main Street
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33
Continue on Main Street
1538 ft · 45 sec · Main Street
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34
Turn right onto Spring Street
46 m · 4 sec · Spring Street
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35
Arrive at your destination
0 m · 1 sec · Spring Street
Car Route Details
A richer read on the saved driving route between Marlborough and Williamstown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Massachusetts Turnpike
Merge slight left onto Massachusetts Turnpike
34.6 mi · 00h 40m
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.
Sunny leaving Marlborough and Sunny near Williamstown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marlborough to Williamstown?
The road trip is about 115.3 miles (185.5 km) and usually takes 02h 42m 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?
Russell is a useful midpoint, sitting about 57.5 miles from Marlborough and 57.7 miles from Williamstown.
How much longer is the road route than the straight-line distance?
The direct path is about 83.8 miles (134.9 km), while the road route adds roughly 31.5 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 1:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.90 one way or $35.79 round trip. Estimated CO2 is about 36.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Marlborough and Sunny near Williamstown.
Stop Ideas Near Russell
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Russell.
Union Station
Springfield Union Station
Amherst, Massachusetts
Windsor Locks
Flight Path Map
This map shows the direct air route between Marlborough and Williamstown. Straight-line distance: 83.81 mi (134.88 km).
#1 Marlborough
Town in Hartford County, Connecticut, United States
| Population | 6,303 |
| Coordinates | 41.6314900, -72.4598100 |
| Altitude | 156 |
| Country | United States |
#2 Williamstown
Town in Massachusetts
| Population | 7,631 |
| Coordinates | 42.7120200, -73.2037200 |
| Altitude | 209 |
| Country | United States |
End: Williamstown (-73.20372, 42.71202)
Estimated Travel Time
Distance: 186 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 50m |
| 40 mph (64.37 km/h) | 02h 52m |
| 50 mph (80.47 km/h) | 02h 18m |
| 60 mph (96.56 km/h) | 01h 55m |
| 70 mph (112.65 km/h) | 01h 38m |
| 80 mph (129 km/h) | 01h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.40 | $17.90 | $35.79 |
| Mid-grade | $5.02 | $20.43 | $40.85 |
| Premium | $5.45 | $22.16 | $44.32 |
| Diesel | $6.45 | $26.26 | $52.53 |
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 Connecticut · Oct 15, 2026