How far is Old Lyme, CT from Williamstown, MA?
The driving distance from Old Lyme, CT to Williamstown, MA is about 141.4 miles (227.5 km), with a travel time of about 03h 14m by car.
- The straight-line flight distance is about 106.4 miles (171.2 km).
- For a round trip, plan for roughly 06h 29m 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 14m.
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.
Areas Of Smoke
Patchy Smoke then Sunny
Driving Route Map
The map below follows the saved road route between Old Lyme and Williamstown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Old Lyme and Williamstown.
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1
Start on the route
10 m · 4 sec
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2
Turn right onto Library Lane
63 m · 17 sec · Library Lane
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3
Turn left onto Lyme Street
1199 ft · 43 sec · Lyme Street
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4
Turn right onto Ferry Road
1603 ft · 1 min · Ferry Road
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5
At the end of the road, turn right onto Shore Road
2287 ft · 45 sec · Shore Road
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6
Continue on Neck Road
647 ft · 18 sec · Neck Road
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7
Take the ramp left
1.3 km · 1 min
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8
Take the exit slight right toward CT 9 North: Essex, Hartford
1229 ft · 23 sec
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9
Keep slight left to continue on CT 9 North: Essex, Hartford
1036 ft · 25 sec
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10
Continue straight
28.4 mi · 34 min
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11
Take the exit slight right toward I 91 North: Hartford
3056 ft · 40 sec
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12
Merge slight left
9.7 mi · 12 min
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13
Keep slight right
31.8 mi · 39 min
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14
Take the exit slight right toward I 90 Toll: Boston, Albany New York
1.1 km · 2 min
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15
Keep slight right to continue on I 90
1073 ft · 26 sec
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16
Keep slight right to continue on I 90 West: West Stockbridge, Albany NY
2281 ft · 56 sec
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17
Merge slight left onto Massachusetts Turnpike
34.6 mi · 40 min · Massachusetts Turnpike
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18
Take the exit slight right toward US 20: Lee, Pittsfield
3137 ft · 1 min
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19
Keep slight right
115 m · 9 sec
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20
Merge slight left onto Housatonic Street
2865 ft · 1 min · Housatonic Street
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21
Continue on Park Street
648 ft · 18 sec · Park Street
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22
Turn slight right onto Main Street
2327 ft · 1 min · Main Street
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23
Turn left onto West Center Street
959 ft · 13 sec · West Center Street
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24
Continue on Laurel Street
1.2 mi · 2 min · Laurel Street
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25
Continue on Lee Road
1.2 mi · 2 min · Lee Road
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26
Continue on Veterans Memorial Highway
2.2 mi · 3 min · Veterans Memorial Highway
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27
Continue on Pittsfield Road
2.5 mi · 5 min · Pittsfield Road
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28
Continue on South Street
2.9 mi · 6 min · South Street
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29
Keep slight right to continue on Bank Row
926 ft · 26 sec · Bank Row
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30
Turn left onto First Street
1.4 km · 3 min · First Street
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31
Continue on North Street
2.6 mi · 6 min · North Street
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32
Continue on South Main Street
3.2 mi · 6 min · South Main Street
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33
Continue on Williamstown Road
3.8 mi · 5 min · Williamstown Road
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34
Continue on New Ashford Road
1.2 mi · 2 min · New Ashford Road
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35
Continue on Route 7
2.2 mi · 3 min · Route 7
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36
Continue on New Ashford Road
2.3 mi · 4 min · New Ashford Road
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37
Continue on Cold Spring Road
4.1 mi · 8 min · Cold Spring Road
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38
Continue on Main Street
153 m · 17 sec · Main Street
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39
Continue on Main Street
1538 ft · 45 sec · Main Street
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40
Turn right onto Spring Street
46 m · 4 sec · Spring Street
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41
Arrive at your destination
0 m · 1 sec · Spring Street
Car Route Details
A richer read on the saved driving route between Old Lyme 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 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.
Areas Of Smoke leaving Old Lyme and Patchy Smoke then Sunny near Williamstown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Old Lyme to Williamstown?
The road trip is about 141.4 miles (227.5 km) and usually takes 03h 14m 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 Old Lyme and 70.7 miles from Williamstown.
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 35 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 10:30 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.69 one way or $39.37 round trip. Estimated CO2 is about 44.3 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Smoke around Old Lyme and Patchy Smoke then Sunny near Williamstown.
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 Old Lyme and Williamstown. Straight-line distance: 106.4 mi (171.23 km).
#1 Old Lyme
Town in New London County, Connecticut, United States
| Population | 7,280 |
| Coordinates | 41.3159300, -72.3289700 |
| Altitude | 8 |
| 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: 227 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 42m |
| 40 mph (64.37 km/h) | 03h 32m |
| 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 | $3.95 | $19.69 | $39.37 |
| Mid-grade | $4.46 | $22.24 | $44.48 |
| Premium | $4.86 | $24.24 | $48.48 |
| Diesel | $6.00 | $29.93 | $59.85 |
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 · 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.