How far is Somerville, MA from Marlborough, MA?
The driving distance from Somerville, MA to Marlborough, MA is about 25.6 miles (41.2 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 23.3 miles (37.5 km).
- For a round trip, plan for roughly 01h 37m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 48m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Middlesex County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Somerville and Marlborough.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerville and Marlborough.
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1
Start on the route
50 m · 18 sec
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2
Turn left onto Highland Avenue
85 m · 18 sec · Highland Avenue
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3
Turn right onto School Street
1977 ft · 2 min · School Street
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4
At the end of the road, turn right onto Somerville Avenue
122 m · 26 sec · Somerville Avenue
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5
Turn left onto Dane Street
1404 ft · 1 min · Dane Street
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6
Turn right onto Washington Street
904 ft · 35 sec · Washington Street
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7
Continue on Kirkland Street
1918 ft · 1 min · Kirkland Street
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8
Turn left onto Quincy Street
89 m · 10 sec · Quincy Street
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9
Turn right onto Cambridge Street
1474 ft · 54 sec · Cambridge Street
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10
Continue on Cambridge Street
33 m · 4 sec · Cambridge Street
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11
Turn left onto Massachusetts Avenue
49 m · 7 sec · Massachusetts Avenue
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12
Turn right onto Garden Street
925 ft · 45 sec · Garden Street
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13
Turn left onto Mason Street
678 ft · 26 sec · Mason Street
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14
Turn right onto Brattle Street
1.1 mi · 2 min · Brattle Street
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15
At the end of the road, turn right onto Mount Auburn Street
1406 ft · 30 sec · Mount Auburn Street
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16
Keep slight right to continue on Belmont Street
1.1 mi · 2 min · Belmont Street
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17
Continue on Belmont Street
1.5 mi · 3 min · Belmont Street
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18
Continue on Warren Street
1.4 km · 2 min · Warren Street
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19
Turn right onto Main Street
2.1 mi · 4 min · Main Street
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20
Turn left onto Weston Street
1.6 km · 2 min · Weston Street
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21
Continue on Weston Street
1678 ft · 41 sec · Weston Street
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22
Continue on Boston Post Road
14 mi · 23 min · Boston Post Road
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23
Continue on East Main Street
2736 ft · 43 sec · East Main Street
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24
Continue on Lincoln Street
3137 ft · 59 sec · Lincoln Street
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25
Turn left onto Prospect Street
895 ft · 21 sec · Prospect Street
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26
At the end of the road, turn right onto Main Street
63 m · 11 sec · Main Street
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27
Turn sharp left onto Windsor Street
56 m · 10 sec · Windsor Street
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28
Turn right
45 m · 11 sec
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29
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Somerville and Marlborough.
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.
Boston Post Road
Continue on Boston Post Road
14 mi · 00h 23m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Partly Sunny leaving Somerville and Partly Sunny near Marlborough.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerville to Marlborough?
The road trip is about 25.6 miles (41.2 km) and usually takes 00h 48m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Weston is a useful midpoint, sitting about 12.8 miles from Somerville and 12.8 miles from Marlborough.
How much longer is the road route than the straight-line distance?
The direct path is about 23.3 miles (37.5 km), while the road route adds roughly 2.3 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.50 one way or $7.00 round trip. Estimated CO2 is about 8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Somerville and Partly Sunny near Marlborough.
Stop Ideas Near Weston
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cocobeet - Boston
Boston's Old City Hall
Cambridge City Hall
Shoppers World
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Weston.
Framingham station
Back Bay station
South Station
North Station
Flight Path Map
This map shows the direct air route between Somerville and Marlborough. Straight-line distance: 23.3 mi (37.49 km).
#1 Somerville
A city in Middlesex County, Massachusetts.
| Population | 80,935 |
| Coordinates | 42.3876000, -71.0995000 |
| Altitude | 28 |
| Country | United States |
#2 Marlborough
City in Middlesex County, Massachusetts, United States
| Population | 39,290 |
| Coordinates | 42.3459300, -71.5522900 |
| Altitude | 119 |
| Country | United States |
End: Marlborough (-71.55229, 42.34593)
Estimated Travel Time
Distance: 41 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 51m |
| 40 mph (64.37 km/h) | 00h 38m |
| 50 mph (80.47 km/h) | 00h 30m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $3.50 | $7.00 |
| Mid-grade | $4.40 | $3.96 | $7.91 |
| Premium | $4.80 | $4.32 | $8.64 |
| Diesel | $4.49 | $4.04 | $8.08 |
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.