How far is Boston, MA from Somerville, MA?
The driving distance from Boston, MA to Somerville, MA is about 4 miles (6.4 km), with a travel time of about 00h 14m by car.
- The straight-line flight distance is about 2.9 miles (4.6 km).
- For a round trip, plan for roughly 00h 29m 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 14m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The most populous city in Middlesex County, Massachusetts.
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 Boston and Somerville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boston and Somerville.
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1
Start on Tremont Street
70 m · 11 sec · Tremont Street
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2
Turn right onto Beacon Street
92 m · 11 sec · Beacon Street
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3
Turn right onto Somerset Street
104 m · 13 sec · Somerset Street
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4
Turn left onto Ashburton Place
64 m · 7 sec · Ashburton Place
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5
Keep slight right to continue on Ashburton Place
77 m · 9 sec · Ashburton Place
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6
Turn straight onto Bowdoin Street
574 ft · 22 sec · Bowdoin Street
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7
Turn left onto Cambridge Street
87 m · 20 sec · Cambridge Street
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8
Turn right onto Staniford Street
1201 ft · 45 sec · Staniford Street
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9
Continue on Lomasney Way
105 m · 14 sec · Lomasney Way
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10
Continue on Nashua Street
1414 ft · 50 sec · Nashua Street
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11
Keep slight right to continue on Storrow Drive
91 m · 12 sec · Storrow Drive
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12
Take the ramp straight toward MA 28 North: Museum of Science, Cambridge
51 m · 8 sec
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13
Merge slight left onto Charles River Dam Road
1524 ft · 52 sec · Charles River Dam Road
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14
Continue on Monsignor O'Brien Highway
2914 ft · 2 min · Monsignor O'Brien Highway
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15
Continue on McGrath Highway
2259 ft · 49 sec · McGrath Highway
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16
Continue on McGrath Highway
996 ft · 21 sec · McGrath Highway
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17
Continue on McGrath Highway
1450 ft · 30 sec · McGrath Highway
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18
Turn left onto Medford Street
101 m · 12 sec · Medford Street
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19
Keep slight left to continue on Highland Avenue
2280 ft · 2 min · Highland Avenue
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20
Turn right
50 m · 12 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Boston and Somerville.
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.
Monsignor O'Brien Highway
Continue on Monsignor O'Brien Highway
0.55 mi · 00h 02m
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 Boston and Slight Chance Light Rain then Chance Rain Showers near Somerville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boston to Somerville?
The road trip is about 4 miles (6.4 km) and usually takes 00h 14m 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?
Cambridge is a useful midpoint, sitting about 1.7 miles from Boston and 2.3 miles from Somerville.
How much longer is the road route than the straight-line distance?
The direct path is about 2.9 miles (4.6 km), while the road route adds roughly 1.1 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 8:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.54 one way or $1.09 round trip. Estimated CO2 is about 1.2 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely around Boston and Slight Chance Light Rain then Chance Rain Showers near Somerville.
Stop Ideas Near Cambridge
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cocobeet - Boston
Boston's Old City Hall
Salem City Hall
City Hall Plaza
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Cambridge.
North Station
Back Bay station
South Station
Anderson Regional Transportation Center
Flight Path Map
This map shows the direct air route between Boston and Somerville. Straight-line distance: 2.86 mi (4.6 km).
#1 Boston
The twenty-first most populous city in the United States and the center of the Boston metropolitan area.
| Population | 691,531 |
| Coordinates | 42.3584300, -71.0597700 |
| Altitude | 14 |
| Country | United States |
#2 Somerville
A city in Middlesex County, Massachusetts.
| Population | 80,935 |
| Coordinates | 42.3876000, -71.0995000 |
| Altitude | 28 |
| Country | United States |
End: (-71.099387, 42.387558)
Estimated Travel Time
Distance: 6 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 07m |
| 40 mph (64.37 km/h) | 00h 05m |
| 50 mph (80.47 km/h) | 00h 04m |
| 60 mph (96.56 km/h) | 00h 03m |
| 70 mph (112.65 km/h) | 00h 03m |
| 80 mph (129 km/h) | 00h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $0.54 | $1.09 |
| Mid-grade | $4.40 | $0.62 | $1.23 |
| Premium | $4.80 | $0.67 | $1.34 |
| Diesel | $4.49 | $0.63 | $1.26 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.