How far is Mystic, CT from Williamstown, MA?
The driving distance from Mystic, CT to Williamstown, MA is about 153.4 miles (246.9 km), with a travel time of about 03h 35m by car.
- The straight-line flight distance is about 113.3 miles (182.3 km).
- For a round trip, plan for roughly 07h 11m 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 35m.
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.
City in Hampden County, Massachusetts, United States
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 Mystic and Williamstown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mystic and Williamstown.
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1
Start on East Main Street
2554 ft · 1 min · East Main Street
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2
Continue on New London Road
716 ft · 15 sec · New London Road
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3
Turn right onto Allyn Street
1.3 mi · 2 min · Allyn Street
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4
Continue on Mystic Street
610 ft · 12 sec · Mystic Street
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5
Take the ramp slight right
1716 ft · 42 sec
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6
Merge slight left
8 mi · 10 min
-
7
Take the exit slight right toward CT 85: Broad Street, Waterford
1265 ft · 37 sec
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8
Turn right onto Hartford Turnpike
4.3 mi · 8 min · Hartford Turnpike
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9
Continue on Hartford-New London Turnpike
3.1 mi · 5 min · Hartford-New London Turnpike
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10
Continue on New London Road
2.8 mi · 5 min · New London Road
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11
Enter the roundabout and take exit 3 toward East Haddam Road
51 m · 2 sec · East Haddam Road
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12
Exit the roundabout onto East Haddam Road
1.6 km · 1 min · East Haddam Road
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13
Take the exit right toward CT 11 North: Colchester, Hartford
7.7 mi · 9 min
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14
Merge slight right
23.5 mi · 28 min
-
15
Take the exit slight right toward I 84 West, I 91 North
2938 ft · 1 min
-
16
Merge slight left
1991 ft · 34 sec
-
17
Take the exit slight right toward I 91 North: Springfield, Bradley International Airport
2121 ft · 1 min
-
18
Merge slight left
30.5 mi · 38 min
-
19
Take the exit slight right toward I 90 Toll: Boston, Albany New York
1.1 km · 2 min
-
20
Keep slight right to continue on I 90
1073 ft · 26 sec
-
21
Keep slight right to continue on I 90 West: West Stockbridge, Albany NY
2281 ft · 56 sec
-
22
Merge slight left onto Massachusetts Turnpike
34.6 mi · 40 min · Massachusetts Turnpike
-
23
Take the exit slight right toward US 20: Lee, Pittsfield
3137 ft · 1 min
-
24
Keep slight right
115 m · 9 sec
-
25
Merge slight left onto Housatonic Street
2865 ft · 1 min · Housatonic Street
-
26
Continue on Park Street
648 ft · 18 sec · Park Street
-
27
Turn slight right onto Main Street
2327 ft · 1 min · Main Street
-
28
Turn left onto West Center Street
959 ft · 13 sec · West Center Street
-
29
Continue on Laurel Street
1.2 mi · 2 min · Laurel Street
-
30
Continue on Lee Road
1.2 mi · 2 min · Lee Road
-
31
Continue on Veterans Memorial Highway
2.2 mi · 3 min · Veterans Memorial Highway
-
32
Continue on Pittsfield Road
2.5 mi · 5 min · Pittsfield Road
-
33
Continue on South Street
2.9 mi · 6 min · South Street
-
34
Keep slight right to continue on Bank Row
926 ft · 26 sec · Bank Row
-
35
Turn left onto First Street
1.4 km · 3 min · First Street
-
36
Continue on North Street
2.6 mi · 6 min · North Street
-
37
Continue on South Main Street
3.2 mi · 6 min · South Main Street
-
38
Continue on Williamstown Road
3.8 mi · 5 min · Williamstown Road
-
39
Continue on New Ashford Road
1.2 mi · 2 min · New Ashford Road
-
40
Continue on Route 7
2.2 mi · 3 min · Route 7
-
41
Continue on New Ashford Road
2.3 mi · 4 min · New Ashford Road
-
42
Continue on Cold Spring Road
4.1 mi · 8 min · Cold Spring Road
-
43
Continue on Main Street
153 m · 17 sec · Main Street
-
44
Continue on Main Street
1538 ft · 45 sec · Main Street
-
45
Turn right onto Spring Street
46 m · 4 sec · Spring Street
-
46
Arrive at your destination
0 m · 1 sec · Spring Street
Car Route Details
A richer read on the saved driving route between Mystic and Williamstown.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
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 Mystic 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 Mystic to Williamstown?
The road trip is about 153.4 miles (246.9 km) and usually takes 03h 35m 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?
Agawam is a useful midpoint, sitting about 76.7 miles from Mystic and 76.7 miles from Williamstown.
How much longer is the road route than the straight-line distance?
The direct path is about 113.3 miles (182.3 km), while the road route adds roughly 40.1 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 9:48 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.34 one way or $42.68 round trip. Estimated CO2 is about 48.1 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Smoke around Mystic and Patchy Smoke then Sunny near Williamstown.
Stop Ideas Near Agawam
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 Agawam.
Springfield Union Station
Windsor Locks
Windsor station
Union Station
Flight Path Map
This map shows the direct air route between Mystic and Williamstown. Straight-line distance: 113.28 mi (182.3 km).
#1 Mystic
Village in Connecticut
| Population | 4,205 |
| Coordinates | 41.3542700, -71.9664600 |
| Altitude | 3 |
| 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: 247 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 06m |
| 40 mph (64.37 km/h) | 03h 50m |
| 50 mph (80.47 km/h) | 03h 04m |
| 60 mph (96.56 km/h) | 02h 33m |
| 70 mph (112.65 km/h) | 02h 11m |
| 80 mph (129 km/h) | 01h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $21.34 | $42.68 |
| Mid-grade | $4.46 | $24.11 | $48.22 |
| Premium | $4.86 | $26.28 | $52.56 |
| Diesel | $6.00 | $32.44 | $64.89 |
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.