How far is Dummer, NH from Williamstown, MA?

The driving distance from Dummer, NH to Williamstown, MA is about 229.4 miles (369.2 km), with a travel time of about 05h 27m by car.

  • The straight-line flight distance is about 165 miles (265.5 km).
  • For a round trip, plan for roughly 10h 54m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
229.4 mi
05h 27m
Flight
165.01 mi
265.55 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Dummer.

Flight Distance

Direct air line
165.01 mi
Kilometers
265.55 km
Flight Time
00h 19m

Driving Distance

Road route
229.4 mi
Kilometers
369.18 km
Drive Time
05h 27m

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 27m.

Arrival Snapshot
Arrive in Williamstown
Sat, Nov 7, 7:02 PM EST
Return by in Dummer
Sun, Nov 8, 12:30 AM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dummer
2026-11-07T13:35
Arrive Williamstown
Sat, Nov 7, 7:02 PM EST
Route Timing
05h 27m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EST
Leave early for more breathing room
Arrive between
11:27 AM to 1:27 PM EST

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:06 AM EST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Dummer
9:00 PM EST
Early departure recommended

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.

Mid-route stop
Norwich
VT

Town in Vermont

From Dummer
114.1 mi
02h 43m
To Williamstown
115.3 mi
02h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Saturday

Light Rain Likely

Starts
Sat, Nov 7 6:00 AM EST
Wind
0 mph
Destination
58°F
Saturday

Rain Showers

Starts
Sat, Nov 7 6:00 AM EST
Wind
6 mph N

Driving Route Map

The map below follows the saved road route between Dummer and Williamstown.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dummer and Williamstown.

  1. 1

    Start on Blake Road

    13 m · 1 sec · Blake Road

  2. 2

    Turn left onto Hill Road

    2268 ft · 1 min · Hill Road

  3. 3

    At the end of the road, turn left onto East of River Road

    2.7 mi · 5 min · East of River Road

  4. 4

    Turn right onto Bridge Street

    1923 ft · 56 sec · Bridge Street

  5. 5

    Turn right onto Milan Road

    99 m · 10 sec · Milan Road

  6. 6

    Turn left onto Milan Hill Road

    4.6 mi · 8 min · Milan Hill Road

  7. 7

    At the end of the road, turn left onto Muzzy Hill Road

    2096 ft · 45 sec · Muzzy Hill Road

  8. 8

    Continue on State Route 110A

    1.1 km · 1 min · State Route 110A

  9. 9

    Continue on Muzzey Hill Road

    1.2 mi · 2 min · Muzzey Hill Road

  10. 10

    At the end of the road, turn right onto West Milan Road

    1.3 km · 1 min · West Milan Road

  11. 11

    Continue on Berlin-Groveton Road

    2672 ft · 53 sec · Berlin-Groveton Road

  12. 12

    Continue on Stark Highway

    9.8 mi · 17 min · Stark Highway

  13. 13

    Continue on Route 110

    2.2 mi · 4 min · Route 110

  14. 14

    Continue on Berlin-Groveton Highway

    2074 ft · 44 sec · Berlin-Groveton Highway

  15. 15

    At the end of the road, turn left onto Main Street

    2.6 mi · 4 min · Main Street

  16. 16

    Continue on Lancaster Road

    1.2 mi · 2 min · Lancaster Road

  17. 17

    Continue on Main Street

    5.2 mi · 8 min · Main Street

  18. 18

    Enter the roundabout and take exit 1 toward Bridge Street

    11 m · 1 sec · Bridge Street

  19. 19

    Exit the roundabout onto Bridge Street

    1.5 km · 2 min · Bridge Street

  20. 20

    Continue on U.S. Route 2

    1.1 mi · 2 min · U.S. Route 2

  21. 21

    Continue on Lancaster Road

    2.9 mi · 4 min · Lancaster Road

  22. 22

    Continue on East Main Street

    2.2 mi · 4 min · East Main Street

  23. 23

    Continue on West Lunenburg Road

    3.9 mi · 6 min · West Lunenburg Road

  24. 24

    Continue on East Concord Road

    1.5 mi · 2 min · East Concord Road

  25. 25

    Continue on Miles Pond Road

    1.8 mi · 3 min · Miles Pond Road

  26. 26

    Continue on North Concord Road

    3.1 mi · 5 min · North Concord Road

  27. 27

    Continue on East Main Street

    4.3 mi · 7 min · East Main Street

  28. 28

    Continue on U.S. Route 2

    3.1 mi · 5 min · U.S. Route 2

  29. 29

    Turn left onto Vermont Route 18

    2052 ft · 31 sec · Vermont Route 18

  30. 30

    Take the exit slight right

    1102 ft · 27 sec

  31. 31

    Merge slight left

    3.3 mi · 4 min

  32. 32

    Keep slight left to continue on I 91 South: White River Junction

    3251 ft · 43 sec

  33. 33

    Merge slight left

    118.9 mi · 2 hr 17 min

  34. 34

    Take the exit slight right toward VT 9 West: Brattleboro, Bennington

    2592 ft · 59 sec

  35. 35

    Turn right onto VT 9 West

    51 m · 5 sec

  36. 36

    Merge slight left onto Western Avenue

    1.7 mi · 4 min · Western Avenue

  37. 37

    Continue on Marlboro Road

    4.2 mi · 7 min · Marlboro Road

  38. 38

    Continue on Vermont Route 9

    11.7 mi · 19 min · Vermont Route 9

  39. 39

    Continue on East Main Street

    1.3 mi · 4 min · East Main Street

  40. 40

    Continue on Vermont Route 9 West

    6.1 mi · 10 min · Vermont Route 9 West

  41. 41

    Turn left onto Vermont Route 8

    5.2 mi · 8 min · Vermont Route 8

  42. 42

    At the end of the road, turn right onto Vermont Route 100

    2.2 mi · 3 min · Vermont Route 100

  43. 43

    Continue on Main Road

    5.7 mi · 9 min · Main Road

  44. 44

    Continue on River Road

    2907 ft · 1 min · River Road

  45. 45

    Turn right onto Middle Road

    1.7 mi · 4 min · Middle Road

  46. 46

    Turn right onto West Cross Road

    1.1 km · 2 min · West Cross Road

  47. 47

    Continue on North Houghton Street

    1.1 mi · 3 min · North Houghton Street

  48. 48

    Turn right onto River Street

    1836 ft · 58 sec · River Street

  49. 49

    Turn left onto Brown Street

    1116 ft · 33 sec · Brown Street

  50. 50

    At the end of the road, turn right onto West Main Street

    1.2 km · 2 min · West Main Street

  51. 51

    Turn straight onto State Road

    2.2 mi · 4 min · State Road

  52. 52

    Continue on Main Street

    1.7 mi · 4 min · Main Street

  53. 53

    Turn sharp left onto Spring Street

    46 m · 4 sec · Spring Street

  54. 54

    Arrive at your destination

    0 m · 1 sec · Spring Street

Car Route Details

A richer read on the saved driving route between Dummer and Williamstown.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
54 steps
21 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
23.5 / 100 mi
Decision points by distance
Main Roads
I 91 South
119 mi · 52%
Vermont Route 9
11.7 mi · 5%
Stark Highway
9.8 mi · 4%
Main Street
9.51 mi · 4%
East Main Street
7.8 mi · 3%
Vermont Route 9 West
6.13 mi · 3%
Longest Stretch

I 91 South

Merge slight left

119 mi · 02h 17m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 27m
Long day trip
Same-Day Return
10h 54m
Round-trip wheel time
Road vs Air
+64.4 mi
165 mi direct line
Halfway Stop
Norwich
02h 43m from Dummer
Leave By
6:06 AM EST
Early departure recommended
Weather Watch

Light Rain Likely leaving Dummer and Rain Showers near Williamstown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dummer to Williamstown?

The road trip is about 229.4 miles (369.2 km) and usually takes 05h 27m 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 114.1 miles from Dummer and 115.3 miles from Williamstown.

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 64.4 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 6:06 AM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.35 one way or $66.69 round trip. Estimated CO2 is about 71.9 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain Likely around Dummer and Rain Showers near Williamstown.

Stop Ideas Near Norwich

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Norwich, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Norwich.

RAIL

White River Junction

7 mi away
102 Railroad Row
RAIL

Windsor station

27 mi away
26 Depot Ave
RAIL

Randolph station

37 mi away
South Main and Salisbury Sts.
RAIL

Claremont

39 mi away
Plains Rd. and Maple Ave.

Flight Path Map

This map shows the direct air route between Dummer and Williamstown. Straight-line distance: 165.01 mi (265.55 km).

Photo coming soon

#1 Dummer

Human settlement in Coös County, New Hampshire, United States of America

Population282
Coordinates44.6106100, -71.2009100
Altitude358
CountryUnited States
Williamstown

#2 Williamstown

Town in Massachusetts

Population7,631
Coordinates42.7120200, -73.2037200
Altitude209
CountryUnited States
Start: Dummer (-71.20091, 44.61061)
End: Williamstown (-73.20372, 42.71202)

Estimated Travel Time

Distance: 369 km by road

SpeedTime
30 mph (48.3 km/h)07h 38m
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 16m
80 mph (129 km/h)02h 51m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.09 gal
30.64 L · about $33.35
Round trip
$66.69
16.18 gal · 61.28 L
Estimated CO2
71.9 kg one way
Round trip: 143.8 kg / 317 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.12 $33.35 $66.69
Mid-grade $4.74 $38.31 $76.63
Premium $5.20 $42.05 $84.10
Diesel $6.29 $50.88 $101.76

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 New Hampshire · Nov 07, 2026

There is no time difference between Dummer and Williamstown. The current time is 13:35:29.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.