How far is Bath, ME from Williamstown, MA?
The driving distance from Bath, ME to Williamstown, MA is about 249.7 miles (401.9 km), with a travel time of about 05h 41m by car.
- The straight-line flight distance is about 189.1 miles (304.4 km).
- For a round trip, plan for roughly 11h 23m 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 05h 41m.
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 Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Bath and Williamstown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bath and Williamstown.
-
1
Start on Vine Street
84 m · 8 sec · Vine Street
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2
Merge slight left onto Leeman Highway
8.5 mi · 12 min · Leeman Highway
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3
Turn right onto Pleasant Street
1.4 mi · 3 min · Pleasant Street
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4
Keep slight right
2443 ft · 42 sec
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5
Keep slight left to continue on I 295 South: Freeport, Portland
1.6 mi · 2 min
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6
Merge slight left
25.1 mi · 31 min
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7
Keep slight left
2.6 mi · 4 min
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8
Merge slight left onto Maine Turnpike
53 mi · 59 min · Maine Turnpike
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9
Keep slight left to continue on Blue Star Turnpike
7.7 mi · 9 min · Blue Star Turnpike
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10
Keep slight right to continue on I 495 South: Worcester
30.6 mi · 36 min
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11
Take the exit slight right toward US 3: Burlington, Nashua New Hampshire
1068 ft · 14 sec
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12
Keep slight left to continue on US 3: Burlington, Nashua New Hampshire
1320 ft · 17 sec
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13
Keep slight left
1931 ft · 25 sec
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14
Keep slight left to continue on I 495 South: Marlboro
2589 ft · 34 sec
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15
Merge slight left
10.7 mi · 12 min
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16
Take the exit slight right toward MA 2 West: Leominster
2255 ft · 1 min
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17
Merge slight left onto Captain Isaac Davis Highway
10.9 mi · 15 min · Captain Isaac Davis Highway
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18
Keep slight left to continue on Concord Turnpike
37.2 mi · 52 min · Concord Turnpike
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19
Continue on East Main Street
2 mi · 4 min · East Main Street
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20
Continue on Public Works Boulevard
1.3 km · 2 min · Public Works Boulevard
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21
Continue on State Road
1.9 mi · 3 min · State Road
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22
Continue on Mohawk Trail
2.4 mi · 3 min · Mohawk Trail
-
23
Continue on French King Highway
2003 ft · 43 sec · French King Highway
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24
Continue on Mohawk Trail
1318 ft · 28 sec · Mohawk Trail
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25
Continue on French King Highway
4.9 mi · 8 min · French King Highway
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26
Continue on Mohawk Trail
4.5 mi · 6 min · Mohawk Trail
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27
Take the exit slight right toward MA 2 West, MA 2A East: Greenfield Court, North Adams
1081 ft · 26 sec
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28
Exit the roundabout
34.6 mi · 1 hr 3 min
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29
Turn left onto East Main Street
1.1 mi · 3 min · East Main Street
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30
Turn right onto Holden Street
129 m · 17 sec · Holden Street
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31
Turn left onto Veterans Memorial Drive
1002 ft · 40 sec · Veterans Memorial Drive
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32
Continue on West Main Street
1.6 km · 2 min · West Main Street
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33
Turn straight onto State Road
2.2 mi · 4 min · State Road
-
34
Continue on Main Street
1.7 mi · 4 min · Main Street
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35
Turn sharp left onto Spring Street
46 m · 4 sec · Spring Street
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36
Arrive at your destination
0 m · 1 sec · Spring Street
Car Route Details
A richer read on the saved driving route between Bath 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.
Maine Turnpike
Merge slight left onto Maine Turnpike
53 mi · 00h 59m
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.
Sunny leaving Bath and Sunny near Williamstown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bath to Williamstown?
The road trip is about 249.7 miles (401.9 km) and usually takes 05h 41m 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?
Tewksbury is a useful midpoint, sitting about 124.7 miles from Bath and 125 miles from Williamstown.
How much longer is the road route than the straight-line distance?
The direct path is about 189.1 miles (304.4 km), while the road route adds roughly 60.6 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 5:36 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.76 one way or $69.51 round trip. Estimated CO2 is about 78.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Bath and Sunny near Williamstown.
Stop Ideas Near Tewksbury
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 Tewksbury.
Anderson Regional Transportation Center
Haverhill station
Nashua, NH
North Station
Flight Path Map
This map shows the direct air route between Bath and Williamstown. Straight-line distance: 189.16 mi (304.42 km).
#1 Bath
Town in Maine, United States
| Population | 8,335 |
| Coordinates | 43.9106400, -69.8206000 |
| Altitude | 19 |
| 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: 402 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 19m |
| 40 mph (64.37 km/h) | 06h 14m |
| 50 mph (80.47 km/h) | 04h 59m |
| 60 mph (96.56 km/h) | 04h 09m |
| 70 mph (112.65 km/h) | 03h 34m |
| 80 mph (129 km/h) | 03h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $34.76 | $69.51 |
| Mid-grade | $4.46 | $39.27 | $78.53 |
| Premium | $4.86 | $42.80 | $85.60 |
| Diesel | $6.00 | $52.83 | $105.67 |
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 Maine · Jul 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.