How far is Williamstown, MA from Dummer, NH?
The driving distance from Williamstown, MA to Dummer, NH is about 229.8 miles (369.9 km), with a travel time of about 05h 29m by car.
- The straight-line flight distance is about 165 miles (265.5 km).
- For a round trip, plan for roughly 10h 58m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
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 05h 29m.
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.
Town in Vermont
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Williamstown and Dummer.
Turn-by-Turn Driving Directions
Step-by-step road directions between Williamstown and Dummer.
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1
Start on Spring Street
1087 ft · 31 sec · Spring Street
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2
At the end of the road, turn left onto Latham Street
1140 ft · 44 sec · Latham Street
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3
At the end of the road, turn left onto Water Street
1093 ft · 36 sec · Water Street
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4
Turn right onto Main Street
1.5 mi · 3 min · Main Street
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5
Continue on State Road
2.2 mi · 4 min · State Road
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6
Continue on West Main Street
1.2 km · 2 min · West Main Street
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7
Turn left onto Brown Street
1116 ft · 33 sec · Brown Street
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8
At the end of the road, turn right onto River Street
1836 ft · 58 sec · River Street
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9
Turn left onto Houghton Street
1.1 mi · 3 min · Houghton Street
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10
Continue on West Cross Road
1.1 km · 2 min · West Cross Road
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11
Turn left onto Middle Road
1.7 mi · 4 min · Middle Road
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12
Turn left onto River Road
2907 ft · 1 min · River Road
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13
Continue on Main Road
5.7 mi · 9 min · Main Road
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14
Continue on Vermont Route 100
2.2 mi · 3 min · Vermont Route 100
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15
Turn left onto Vermont Route 8
5.2 mi · 8 min · Vermont Route 8
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16
At the end of the road, turn right onto Vermont Route 9 West
6.1 mi · 10 min · Vermont Route 9 West
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17
Continue on West Main Street
1.3 mi · 4 min · West Main Street
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18
Continue on Vermont Route 9 East
11.7 mi · 19 min · Vermont Route 9 East
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19
Continue on Marlboro Road
4.2 mi · 7 min · Marlboro Road
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20
Continue on Western Avenue
1.7 mi · 4 min · Western Avenue
-
21
Turn left
2752 ft · 1 min
-
22
Merge slight left
118.8 mi · 2 hr 17 min
-
23
Take the exit slight right toward I 93 South: Littleton New Hampshire
2118 ft · 37 sec
-
24
Continue straight
3.4 mi · 4 min
-
25
Take the exit slight right toward VT 18: Saint Johnsbury, Lower Waterford
1095 ft · 31 sec
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26
Turn left onto Vermont Route 18
3099 ft · 42 sec · Vermont Route 18
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27
Merge slight left onto U.S. Route 2 East
3.1 mi · 5 min · U.S. Route 2 East
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28
Continue on West Main Street
4.3 mi · 7 min · West Main Street
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29
Continue on North Concord Road
3.1 mi · 5 min · North Concord Road
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30
Continue on Miles Pond Road
1.8 mi · 3 min · Miles Pond Road
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31
Continue on East Concord Road
1.5 mi · 2 min · East Concord Road
-
32
Continue on West Lunenburg Road
3.9 mi · 6 min · West Lunenburg Road
-
33
Continue on West Main Street
2.2 mi · 4 min · West Main Street
-
34
Continue on Lancaster Road
2.9 mi · 4 min · Lancaster Road
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35
Continue on U.S. Route 2
1.1 mi · 2 min · U.S. Route 2
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36
Continue on Bridge Street
1.5 km · 2 min · Bridge Street
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37
Enter the roundabout and take exit 2 toward North Main Street
52 m · 5 sec · North Main Street
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38
Exit the roundabout onto North Main Street
5.2 mi · 8 min · North Main Street
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39
Continue on Lancaster Road
1.2 mi · 2 min · Lancaster Road
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40
Continue on Main Street
2.6 mi · 4 min · Main Street
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41
Turn right onto Berlin-Groveton Highway
2074 ft · 41 sec · Berlin-Groveton Highway
-
42
Continue on Route 110
2.2 mi · 4 min · Route 110
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43
Continue on Stark Highway
9.8 mi · 17 min · Stark Highway
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44
Continue on Berlin-Groveton Road
2672 ft · 53 sec · Berlin-Groveton Road
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45
Continue on West Milan Road
1.3 km · 1 min · West Milan Road
-
46
Turn left onto Muzzey Hill Road
1.2 mi · 2 min · Muzzey Hill Road
-
47
Continue on State Route 110A
1.1 km · 1 min · State Route 110A
-
48
Continue on Muzzy Hill Road
2096 ft · 47 sec · Muzzy Hill Road
-
49
Turn right onto Milan Hill Road
4.6 mi · 8 min · Milan Hill Road
-
50
Turn right onto Milan Road
99 m · 14 sec · Milan Road
-
51
Turn left onto Bridge Street
1923 ft · 60 sec · Bridge Street
-
52
Turn left onto East of River Road
2.7 mi · 5 min · East of River Road
-
53
Turn right onto Hill Road
2268 ft · 55 sec · Hill Road
-
54
Turn right onto Blake Road
13 m · 1 sec · Blake Road
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55
Arrive at your destination
0 m · 1 sec · Blake Road
Car Route Details
A richer read on the saved driving route between Williamstown and Dummer.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Western Avenue
Merge slight left
119 mi · 02h 17m
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.
Rain Showers leaving Williamstown and Light Rain Likely near Dummer.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Williamstown to Dummer?
The road trip is about 229.8 miles (369.9 km) and usually takes 05h 29m 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?
Norwich is a useful midpoint, sitting about 114.3 miles from Williamstown and 115.5 miles from Dummer.
How much longer is the road route than the straight-line distance?
The direct path is about 165 miles (265.5 km), while the road route adds roughly 64.8 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 EST. If you want a more comfortable same-day return, try to leave by 6:02 AM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.44 one way or $66.88 round trip. Estimated CO2 is about 72.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Williamstown and Light Rain Likely near Dummer.
Stop Ideas Near Norwich
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 Norwich.
White River Junction
Windsor station
Randolph station
Claremont
Flight Path Map
This map shows the direct air route between Williamstown and Dummer. Straight-line distance: 165.01 mi (265.55 km).
#1 Williamstown
Town in Massachusetts
| Population | 7,631 |
| Coordinates | 42.7120200, -73.2037200 |
| Altitude | 209 |
| Country | United States |
#2 Dummer
Human settlement in Coös County, New Hampshire, United States of America
| Population | 282 |
| Coordinates | 44.6106100, -71.2009100 |
| Altitude | 358 |
| Country | United States |
End: Dummer (-71.20091, 44.61061)
Estimated Travel Time
Distance: 370 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 39m |
| 40 mph (64.37 km/h) | 05h 44m |
| 50 mph (80.47 km/h) | 04h 35m |
| 60 mph (96.56 km/h) | 03h 49m |
| 70 mph (112.65 km/h) | 03h 17m |
| 80 mph (129 km/h) | 02h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.12 | $33.44 | $66.88 |
| Mid-grade | $4.80 | $38.90 | $77.79 |
| Premium | $5.21 | $42.27 | $84.54 |
| Diesel | $6.28 | $50.95 | $101.89 |
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 Massachusetts · Nov 07, 2026