How far is City of Somerville, MA from South Boston, MA?

The driving distance from City of Somerville, MA to South Boston, MA is about 6.6 miles (10.6 km), with a travel time of about 00h 15m by car.

  • The straight-line flight distance is about 4.8 miles (7.7 km).
  • For a round trip, plan for roughly 00h 30m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
6.6 mi
00h 15m
Flight
4.76 mi
7.66 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from City of Somerville.

Flight Distance

Direct air line
4.76 mi
Kilometers
7.66 km
Flight Time

Driving Distance

Road route
6.6 mi
Kilometers
10.62 km
Drive Time
00h 15m

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 15m.

Arrival Snapshot
Arrive in South Boston
Wed, Sep 16, 3:28 PM EDT
Return by in City of Somerville
Wed, Sep 16, 3:43 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave City of Somerville
2026-09-16T15:13
Arrive South Boston
Wed, Sep 16, 3:28 PM EDT
Route Timing
00h 15m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:15 AM to 7:15 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
8:00 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in City of Somerville
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Boston
MA

The twenty-first most populous city in the United States and the center of the Boston metropolitan area.

From City of Somerville
3.3 mi
00h 07m
To South Boston
3.3 mi
00h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Wednesday

Mostly Sunny

Starts
Wed, Sep 16 6:00 AM EDT
Wind
0 to 7 mph SW
Destination
79°F
Wednesday

Mostly Sunny

Starts
Wed, Sep 16 6:00 AM EDT
Wind
6 to 10 mph SW

Driving Route Map

The map below follows the saved road route between City of Somerville and South Boston.

Turn-by-Turn Driving Directions

Step-by-step road directions between City of Somerville and South Boston.

  1. 1

    Start on Pembroke Street

    27 m · 8 sec · Pembroke Street

  2. 2

    Turn left onto Tennyson Street

    137 m · 24 sec · Tennyson Street

  3. 3

    Turn right onto Medford Street

    1618 ft · 54 sec · Medford Street

  4. 4

    Turn slight left onto Pearl Street

    1684 ft · 1 min · Pearl Street

  5. 5

    Turn left onto McGrath Highway

    2101 ft · 55 sec · McGrath Highway

  6. 6

    Take the exit slight right toward I 93, MA 38: Medford, Boston

    63 m · 6 sec

  7. 7

    Keep slight right to continue on I 93 South: Boston

    96 m · 9 sec

  8. 8

    Turn slight right onto I 93 South: Boston

    734 ft · 18 sec

  9. 9

    Keep slight left to continue on I 93 South: Boston

    1599 ft · 39 sec

  10. 10

    Merge slight left

    2.7 mi · 4 min

  11. 11

    Take the exit slight right toward I 90 West: Mass Pike, South Station

    605 ft · 15 sec

  12. 12

    Keep slight left to continue on I 90 Toll West: Albany Street

    3018 ft · 1 min

  13. 13

    Keep slight right to continue on I 90 West: Albany Street, Mass Pike

    531 ft · 13 sec

  14. 14

    Keep slight left to continue on Albany Street

    159 m · 13 sec

  15. 15

    Turn straight onto Albany Street

    938 ft · 39 sec · Albany Street

  16. 16

    Turn left onto Traveler Street

    1459 ft · 54 sec · Traveler Street

  17. 17

    Turn right onto Dorchester Avenue

    1695 ft · 59 sec · Dorchester Avenue

  18. 18

    Keep slight left to continue on Old Colony Avenue

    59 m · 16 sec · Old Colony Avenue

  19. 19

    Turn sharp left onto Dorchester Avenue

    27 m · 3 sec · Dorchester Avenue

  20. 20

    Turn right

    26 m · 4 sec

  21. 21

    Turn right onto West Seventh Street

    2479 ft · 2 min · West Seventh Street

  22. 22

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

    18 m · 7 sec · Dorchester Street

  23. 23

    Arrive at your destination

    0 m · 1 sec · Dorchester Street

Car Route Details

A richer read on the saved driving route between City of Somerville and South Boston.

OSRM road route
Drive Character

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.

Directions
23 steps
12 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
348.5 / 100 mi
Decision points by distance
Main Roads
I 93 South
3.23 mi · 49%
I 90 Toll West
0.57 mi · 9%
West Seventh Street
0.47 mi · 7%
McGrath Highway
0.4 mi · 6%
Dorchester Avenue
0.34 mi · 5%
Pearl Street
0.32 mi · 5%
Longest Stretch

I 93 South

Merge slight left

2.72 mi · 00h 04m

Route Summary

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

Trip Read

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.

Drive Time
00h 15m
Quick drive
Same-Day Return
00h 30m
Round-trip wheel time
Road vs Air
+1.8 mi
4.8 mi direct line
Halfway Stop
Boston
00h 07m from City of Somerville
Leave By
8:00 PM EDT
Flexible departure
Weather Watch

Mostly Sunny leaving City of Somerville and Mostly Sunny near South Boston.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from City of Somerville to South Boston?

The road trip is about 6.6 miles (10.6 km) and usually takes 00h 15m 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?

Boston is a useful midpoint, sitting about 3.3 miles from City of Somerville and 3.3 miles from South Boston.

How much longer is the road route than the straight-line distance?

The direct path is about 4.8 miles (7.7 km), while the road route adds roughly 1.8 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 $1.00 one way or $2.00 round trip. Estimated CO2 is about 2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around City of Somerville and Mostly Sunny near South Boston.

Stop Ideas Near Boston

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Boston and the surrounding midpoint area.
Cocobeet - Boston
Food stop 0.7 mi away

Cocobeet - Boston

Boston , MA
100 City Hall Plaza, Boston, MA 02108
Rating 4.4/5 198 reviews Health food restaurant,Juice shop,Raw food restaurant,Vegan restaurant
Boston's Old City Hall
Scenic stop 0.8 mi away

Boston's Old City Hall

Boston , MA
45 School St, Boston, MA 02108, United States
Rating 4.6/5 346 reviews Tourist attraction,Historical landmark
Salem City Hall
Meeting point 13.6 mi away

Salem City Hall

Salem , MA
93 Washington St, Salem, MA 01970
Rating 4.2/5 84 reviews City Hall,City government office
City Hall Plaza
Scenic stop 0.6 mi away

City Hall Plaza

Boston , MA
1 City Hall Square, Boston, MA 02203
Rating 4.4/5 208 reviews City park

Transit and Meeting Points

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

RAIL

South Station

1 mi away
2 South Station
RAIL

North Station

1 mi away
100 Legends Way
RAIL

Back Bay station

2 mi away
145 Dartmouth St.
RAIL

Route 128 station

18 mi away
50 University Ave

Flight Path Map

This map shows the direct air route between City of Somerville and South Boston. Straight-line distance: 4.76 mi (7.66 km).

Photo coming soon

#1 City of Somerville

A city in Middlesex County, Massachusetts.

Population75,754
Coordinates42.3907200, -71.1013100
Altitude18
CountryUnited States
South Boston

#2 South Boston

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.

Population571,281
Coordinates42.3334300, -71.0494900
Altitude14
CountryUnited States
Start: City of Somerville (-71.10131, 42.39072)
End: South Boston (-71.04949, 42.33343)

Estimated Travel Time

Distance: 11 km by road

SpeedTime
30 mph (48.3 km/h)00h 13m
40 mph (64.37 km/h)00h 09m
50 mph (80.47 km/h)00h 07m
60 mph (96.56 km/h)00h 06m
70 mph (112.65 km/h)00h 05m
80 mph (129 km/h)00h 04m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.23 gal
0.88 L · about $1.00
Round trip
$2.00
0.46 gal · 1.76 L
Estimated CO2
2 kg one way
Round trip: 4.1 kg / 9 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.35 $1.00 $2.00
Mid-grade $4.94 $1.14 $2.27
Premium $5.36 $1.23 $2.46
Diesel $6.13 $1.41 $2.82

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 · Sep 16, 2026

There is no time difference between City of Somerville and South Boston. The current time is 15:13:36.

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.