How far is Williamstown, MA from Marlborough, CT?
The driving distance from Williamstown, MA to Marlborough, CT is about 114.9 miles (184.9 km), with a travel time of about 02h 43m by car.
- The straight-line flight distance is about 83.8 miles (134.9 km).
- For a round trip, plan for roughly 05h 27m 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 43m.
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 Williamstown and Marlborough.
Turn-by-Turn Driving Directions
Step-by-step road directions between Williamstown and Marlborough.
-
1
Start on Spring Street
863 ft · 26 sec · Spring Street
-
2
Turn right onto Walden Street
802 ft · 37 sec · Walden Street
-
3
At the end of the road, turn right onto Hoxsey Street
967 ft · 48 sec · Hoxsey Street
-
4
Turn left onto Main Street
1318 ft · 42 sec · Main Street
-
5
Turn straight onto Cold Spring Road
4.2 mi · 8 min · Cold Spring Road
-
6
Continue on New Ashford Road
2.3 mi · 3 min · New Ashford Road
-
7
Continue on Route 7
2.2 mi · 3 min · Route 7
-
8
Continue on New Ashford Road
1.2 mi · 2 min · New Ashford Road
-
9
Continue on Williamstown Road
3.8 mi · 5 min · Williamstown Road
-
10
Continue on North Main Street
1.4 mi · 2 min · North Main Street
-
11
Continue on South Main Street
1.8 mi · 4 min · South Main Street
-
12
Continue on North Street
1.4 mi · 3 min · North Street
-
13
Turn right onto Wahconah Street
1.4 mi · 3 min · Wahconah Street
-
14
Turn right onto North Street
1.1 km · 2 min · North Street
-
15
Continue on South Street
2.9 mi · 6 min · South Street
-
16
Continue on Pittsfield Road
2.4 mi · 4 min · Pittsfield Road
-
17
Continue on Veterans Memorial Highway
2.3 mi · 3 min · Veterans Memorial Highway
-
18
Continue on Lee Road
1.2 mi · 2 min · Lee Road
-
19
Continue on Laurel Street
1.2 mi · 2 min · Laurel Street
-
20
Continue on West Center Street
959 ft · 13 sec · West Center Street
-
21
At the end of the road, turn right onto Main Street
2289 ft · 1 min · Main Street
-
22
At the end of the road, turn left onto Park Street
751 ft · 27 sec · Park Street
-
23
Continue on Housatonic Street
2865 ft · 1 min · Housatonic Street
-
24
Take the exit slight right
1734 ft · 43 sec
-
25
Keep slight right
2179 ft · 53 sec
-
26
Merge slight left onto Massachusetts Turnpike
34.5 mi · 40 min · Massachusetts Turnpike
-
27
Take the exit slight right toward I 91, US 5: Springfield, Holyoke
3057 ft · 2 min
-
28
Keep slight right to continue on US 5: West Springfield
1034 ft · 26 sec
-
29
Keep slight right to continue on US 5 South: Riverdale Street, West Springfield
1049 ft · 25 sec
-
30
Turn straight onto Riverdale Street
1.3 mi · 2 min · Riverdale Street
-
31
Take the ramp slight right toward I 91, I 391: Holyoke, Springfield
811 ft · 20 sec
-
32
Keep slight left to continue on I 91 South: Springfield
929 ft · 23 sec
-
33
Keep slight left to continue on I 91 South: Springfield
1036 ft · 26 sec
-
34
Merge slight left
28.7 mi · 36 min
-
35
Take the exit slight left toward I 84 East, CT 2 East: East Hartford, New London
805 ft · 28 sec
-
36
Merge slight left
2553 ft · 43 sec
-
37
Take the exit slight right toward CT 2 East: Norwich
1092 ft · 26 sec
-
38
Merge slight right
4.3 mi · 6 min
-
39
Keep slight right
10.2 mi · 12 min
-
40
Take the exit slight right toward CT 66: Willimantic, Middletown
1259 ft · 36 sec
-
41
Keep slight right to continue on CT 66 West: Marlborough, Middletown
107 m · 11 sec
-
42
Merge slight left onto East Hampton Road
573 ft · 18 sec · East Hampton Road
-
43
Arrive at your destination
0 m · 1 sec · East Hampton Road
Car Route Details
A richer read on the saved driving route between Williamstown and Marlborough.
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
34.5 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 Williamstown and Sunny near Marlborough.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Williamstown to Marlborough?
The road trip is about 114.9 miles (184.9 km) and usually takes 02h 43m 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 57.4 miles from Williamstown and 57.5 miles from Marlborough.
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 31.1 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 1:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.49 one way or $34.99 round trip. Estimated CO2 is about 36.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Williamstown and Sunny near Marlborough.
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 Williamstown and Marlborough. Straight-line distance: 83.81 mi (134.88 km).
#1 Williamstown
Town in Massachusetts
| Population | 7,631 |
| Coordinates | 42.7120200, -73.2037200 |
| Altitude | 209 |
| Country | United States |
#2 Marlborough
Town in Hartford County, Connecticut, United States
| Population | 6,303 |
| Coordinates | 41.6314900, -72.4598100 |
| Altitude | 156 |
| Country | United States |
End: Marlborough (-72.45981, 41.63149)
Estimated Travel Time
Distance: 185 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 49m |
| 40 mph (64.37 km/h) | 02h 52m |
| 50 mph (80.47 km/h) | 02h 17m |
| 60 mph (96.56 km/h) | 01h 54m |
| 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 | $4.31 | $17.49 | $34.99 |
| Mid-grade | $4.94 | $20.05 | $40.10 |
| Premium | $5.35 | $21.73 | $43.46 |
| Diesel | $6.33 | $25.69 | $51.38 |
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 · Oct 15, 2026