How far is Weymouth, MA from Waltham, MA?
The driving distance from Weymouth, MA to Waltham, MA is about 29.9 miles (48.1 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 18.6 miles (29.9 km).
- For a round trip, plan for roughly 01h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
This historic Boston neighborhood, often called "Southie," is situated south of downtown Boston and the Fort Point Channel, with Dorchester Bay to its east and south.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain Likely
Slight Chance Light Rain then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Weymouth and Waltham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Weymouth and Waltham.
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1
Start on the route
120 m · 31 sec
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2
At the end of the road, turn right onto Middle Street
1433 ft · 32 sec · Middle Street
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3
Turn right onto Broad Street
1.4 mi · 2 min · Broad Street
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4
Turn right onto Washington Street
2276 ft · 44 sec · Washington Street
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5
Turn left onto Commercial Street
2263 ft · 53 sec · Commercial Street
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6
Continue on Union Street
1.2 mi · 2 min · Union Street
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7
Enter the roundabout and take exit 1 toward Union Street Rotary
13 m · 1 sec
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8
Exit the rotary onto MA 3 North: Boston
1460 ft · 36 sec
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9
Merge slight left onto Pilgrims Highway
1.4 mi · 2 min · Pilgrims Highway
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10
Continue on I 93 North: Boston
8.4 mi · 11 min
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11
Continue on John F. Fitzgerald Expressway
998 ft · 19 sec · John F. Fitzgerald Expressway
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12
Take the exit slight left toward South Station, Airport
2666 ft · 1 min
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13
Keep slight right to continue on South Station
2265 ft · 1 min
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14
Turn left
77 m · 15 sec
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15
At the end of the road, turn left onto Albany Street
11 m · 1 sec · Albany Street
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16
Take the ramp straight toward I 90 West: Mass Pike, Worcester
1206 ft · 29 sec
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17
Merge slight left onto Massachusetts Turnpike
6.1 mi · 9 min · Massachusetts Turnpike
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18
Take the exit slight right toward Newton, Watertown
1725 ft · 49 sec
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19
Keep slight right to continue on Watertown
82 m · 9 sec
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20
Turn slight right onto Centre Street
611 ft · 23 sec · Centre Street
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21
Continue on Galen Street
2502 ft · 58 sec · Galen Street
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22
Turn sharp left onto Main Street
2.9 mi · 6 min · Main Street
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23
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Weymouth and Waltham.
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.
I 93 North
Continue on I 93 North: Boston
8.41 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Light Rain Likely leaving Weymouth and Slight Chance Light Rain then Chance Rain Showers near Waltham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Weymouth to Waltham?
The road trip is about 29.9 miles (48.1 km) and usually takes 00h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
South Boston is a useful midpoint, sitting about 12.6 miles from Weymouth and 17.3 miles from Waltham.
How much longer is the road route than the straight-line distance?
The direct path is about 18.6 miles (29.9 km), while the road route adds roughly 11.3 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.08 one way or $8.17 round trip. Estimated CO2 is about 9.3 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Weymouth and Slight Chance Light Rain then Chance Rain Showers near Waltham.
Stop Ideas Near South Boston
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cocobeet - Boston
Boston's Old City Hall
Cambridge City Hall
City Hall Plaza
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to South Boston.
Flight Path Map
This map shows the direct air route between Weymouth and Waltham. Straight-line distance: 18.55 mi (29.85 km).
#1 Weymouth
The most populous city in Norfolk County, Massachusetts.
| Population | 58,104 |
| Coordinates | 42.2209300, -70.9397700 |
| Altitude | 31 |
| Country | United States |
#2 Waltham
A city in Middlesex County, Massachusetts.
| Population | 62,069 |
| Coordinates | 42.3764900, -71.2356100 |
| Altitude | 20 |
| Country | United States |
End: Main Street (-71.235588, 42.376412)
Estimated Travel Time
Distance: 48 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 59m |
| 40 mph (64.37 km/h) | 00h 44m |
| 50 mph (80.47 km/h) | 00h 35m |
| 60 mph (96.56 km/h) | 00h 29m |
| 70 mph (112.65 km/h) | 00h 25m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $4.08 | $8.17 |
| Mid-grade | $4.40 | $4.62 | $9.23 |
| Premium | $4.80 | $5.04 | $10.08 |
| Diesel | $4.49 | $4.71 | $9.42 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.