How far is Williamstown, MA from Old Lyme, CT?
The driving distance from Williamstown, MA to Old Lyme, CT is about 141.3 miles (227.4 km), with a travel time of about 03h 17m by car.
- The straight-line flight distance is about 106.4 miles (171.2 km).
- For a round trip, plan for roughly 06h 35m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 17m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
The most populous city in Hampshire County, Massachusetts.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Smoke then Sunny
Areas Of Smoke
Driving Route Map
The map below follows the saved road route between Williamstown and Old Lyme.
Turn-by-Turn Driving Directions
Step-by-step road directions between Williamstown and Old Lyme.
-
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
39.2 mi · 49 min
-
35
Take the exit slight left toward CT 9 South: Middletown, Old Saybrook
1.5 km · 1 min
-
36
Merge slight right
28.3 mi · 34 min
-
37
Keep slight left to continue on I 95 North, US 1 North: New London, Providence
1 km · 2 min
-
38
Merge slight left
2638 ft · 35 sec
-
39
Take the exit slight right toward US 1, CT 156: Old Lyme
1083 ft · 31 sec
-
40
Turn right onto Shore Road
2375 ft · 54 sec · Shore Road
-
41
Turn left onto Ferry Road
1603 ft · 1 min · Ferry Road
-
42
At the end of the road, turn left onto Lyme Street
1199 ft · 45 sec · Lyme Street
-
43
Turn right onto Library Lane
63 m · 14 sec · Library Lane
-
44
Turn left
10 m · 2 sec
-
45
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Williamstown and Old Lyme.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 91 South
Merge slight left
39.2 mi · 00h 49m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Patchy Smoke then Sunny leaving Williamstown and Areas Of Smoke near Old Lyme.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Williamstown to Old Lyme?
The road trip is about 141.3 miles (227.4 km) and usually takes 03h 17m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Chicopee is a useful midpoint, sitting about 70.6 miles from Williamstown and 70.6 miles from Old Lyme.
How much longer is the road route than the straight-line distance?
The direct path is about 106.4 miles (171.2 km), while the road route adds roughly 34.9 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:24 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.41 one way or $38.82 round trip. Estimated CO2 is about 44.3 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Smoke then Sunny around Williamstown and Areas Of Smoke near Old Lyme.
Stop Ideas Near Chicopee
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 Chicopee.
Springfield Union Station
Union Station
Amherst, Massachusetts
Windsor Locks
Flight Path Map
This map shows the direct air route between Williamstown and Old Lyme. Straight-line distance: 106.4 mi (171.23 km).
#1 Williamstown
Town in Massachusetts
| Population | 7,631 |
| Coordinates | 42.7120200, -73.2037200 |
| Altitude | 209 |
| Country | United States |
#2 Old Lyme
Town in New London County, Connecticut, United States
| Population | 7,280 |
| Coordinates | 41.3159300, -72.3289700 |
| Altitude | 8 |
| Country | United States |
End: Old Lyme (-72.32897, 41.31593)
Estimated Travel Time
Distance: 227 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 42m |
| 40 mph (64.37 km/h) | 03h 31m |
| 50 mph (80.47 km/h) | 02h 49m |
| 60 mph (96.56 km/h) | 02h 21m |
| 70 mph (112.65 km/h) | 02h 01m |
| 80 mph (129 km/h) | 01h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $19.41 | $38.82 |
| Mid-grade | $4.40 | $21.94 | $43.88 |
| Premium | $4.80 | $23.95 | $47.89 |
| Diesel | $4.49 | $22.40 | $44.79 |
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 · Jul 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.