How far is South Duxbury, MA from Somerville, MA?

The driving distance from South Duxbury, MA to Somerville, MA is about 38 miles (61.1 km), with a travel time of about 00h 56m by car.

  • The straight-line flight distance is about 33 miles (53.1 km).
  • For a round trip, plan for roughly 01h 52m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
37.95 mi
00h 56m
Flight
32.99 mi
53.1 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from South Duxbury.

Flight Distance

Direct air line
32.99 mi
Kilometers
53.1 km
Flight Time
00h 03m

Driving Distance

Road route
37.95 mi
Kilometers
61.08 km
Drive Time
00h 56m

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 56m.

Arrival Snapshot
Arrive in Somerville
Sun, Apr 19, 6:34 AM EDT
Return by in South Duxbury
Sun, Apr 19, 7:30 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Duxbury
2026-04-19T05:38
Arrive Somerville
Sun, Apr 19, 6:34 AM EDT
Route Timing
00h 56m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:56 AM to 10:56 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:38 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Duxbury
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Weymouth
MA

The most populous city in Norfolk County, Massachusetts.

From South Duxbury
19 mi
00h 28m
To Somerville
19 mi
00h 28m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
5 to 10 mph SW
Destination
60°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
6 to 10 mph SW

Driving Route Map

The map below follows the saved road route between South Duxbury and Somerville.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Duxbury and Somerville.

  1. 1

    Start on the route

    25 m · 11 sec

  2. 2

    Turn left onto Washington Street

    30 m · 4 sec · Washington Street

  3. 3

    Enter the roundabout and take exit 1 toward Depot Street

    7 m · 1 sec · Depot Street

  4. 4

    Exit the roundabout onto Depot Street

    1.5 km · 2 min · Depot Street

  5. 5

    Turn slight right onto Tremont Street

    1 mi · 2 min · Tremont Street

  6. 6

    Turn left onto West Street

    1.4 mi · 2 min · West Street

  7. 7

    Continue on Congress Street

    2147 ft · 43 sec · Congress Street

  8. 8

    Enter the roundabout and take exit 2 toward Congress Street

    21 m · 2 sec · Congress Street

  9. 9

    Exit the roundabout onto Congress Street

    36 m · 2 sec · Congress Street

  10. 10

    Take the ramp straight toward MA 3 North: Quincy, Boston

    1375 ft · 34 sec

  11. 11

    Merge slight left onto Pilgrims Highway

    19.8 mi · 25 min · Pilgrims Highway

  12. 12

    Continue on I 93 North: Boston

    8.4 mi · 11 min

  13. 13

    Continue on John F. Fitzgerald Expressway

    3.2 mi · 5 min · John F. Fitzgerald Expressway

  14. 14

    Keep slight right to continue on I 93 North: Concord NH

    3075 ft · 47 sec

  15. 15

    Take the exit slight right toward Sullivan Square, Somerville

    2135 ft · 1 min

  16. 16

    Turn left onto Cambridge Street

    1270 ft · 46 sec · Cambridge Street

  17. 17

    Continue on Washington Street

    2455 ft · 1 min · Washington Street

  18. 18

    Turn right onto McGrath Highway

    1306 ft · 26 sec · McGrath Highway

  19. 19

    Turn left onto Medford Street

    101 m · 12 sec · Medford Street

  20. 20

    Keep slight left to continue on Highland Avenue

    2280 ft · 2 min · Highland Avenue

  21. 21

    Turn right

    50 m · 12 sec

  22. 22

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between South Duxbury and Somerville.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
22 steps
11 turns on the saved route
Ramps & Exits
7
1 merges, 6 ramps or exits
Navigation Density
57.9 / 100 mi
Decision points by distance
Main Roads
Pilgrims Highway
19.8 mi · 52%
I 93 North
9 mi · 24%
John F. Fitzgerald Expressway
3.19 mi · 8%
West Street
1.41 mi · 4%
Tremont Street
1.01 mi · 3%
Depot Street
0.94 mi · 2%
Longest Stretch

Pilgrims Highway

Merge slight left onto Pilgrims Highway

19.8 mi · 00h 25m

Route Summary

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

Trip Read

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.

Drive Time
00h 56m
Day trip friendly
Same-Day Return
01h 52m
Round-trip wheel time
Road vs Air
+5 mi
33 mi direct line
Halfway Stop
Weymouth
00h 28m from South Duxbury
Leave By
4:38 PM EDT
Morning start is best
Weather Watch

Rain Showers Likely leaving South Duxbury and Rain Showers Likely near Somerville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Duxbury to Somerville?

The road trip is about 38 miles (61.1 km) and usually takes 00h 56m 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?

Weymouth is a useful midpoint, sitting about 19 miles from South Duxbury and 19 miles from Somerville.

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

The direct path is about 33 miles (53.1 km), while the road route adds roughly 5 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 4:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.21 one way or $10.43 round trip. Estimated CO2 is about 11.9 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around South Duxbury and Rain Showers Likely near Somerville.

Stop Ideas Near Weymouth

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 Weymouth and the surrounding midpoint area.
Cocobeet - Boston
Food stop 13.1 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 13 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
Chelsea City Hall
Meeting point 14.8 mi away

Chelsea City Hall

Chelsea , MA
500 Broadway, Chelsea, MA 02150
Rating 3.7/5 94 reviews City Hall
Stop photo coming soon
Nearby stop 13.1 mi away

Marriage Certificates Registry

Boston , MA
1 City Hall Square, Boston, MA 02201
Rating 3.0/5 2 reviews Registry office,Marriage license bureau

Transit and Meeting Points

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

RAIL

Route 128 station

17 mi away
50 University Ave
RAIL

South Station

17 mi away
2 South Station
RAIL

Back Bay station

18 mi away
145 Dartmouth St.
RAIL

North Station

19 mi away
100 Legends Way

Flight Path Map

This map shows the direct air route between South Duxbury and Somerville. Straight-line distance: 32.99 mi (53.1 km).

South Duxbury

#1 South Duxbury

Census-designated place in Plymouth County, Massachusetts

Population3,360
Coordinates42.0231600, -70.6828100
Altitude16
CountryUnited States
Somerville

#2 Somerville

A city in Middlesex County, Massachusetts.

Population80,935
Coordinates42.3876000, -71.0995000
Altitude28
CountryUnited States
Start: South Duxbury (-70.68281, 42.02316)
End: Somerville (-71.0995, 42.3876)

Estimated Travel Time

Distance: 61 km by road

SpeedTime
30 mph (48.3 km/h)01h 15m
40 mph (64.37 km/h)00h 56m
50 mph (80.47 km/h)00h 45m
60 mph (96.56 km/h)00h 37m
70 mph (112.65 km/h)00h 32m
80 mph (129 km/h)00h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.34 gal
5.07 L · about $5.21
Round trip
$10.43
2.68 gal · 10.14 L
Estimated CO2
11.9 kg one way
Round trip: 23.8 kg / 52 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $5.21 $10.43
Mid-grade $4.40 $5.89 $11.78
Premium $4.80 $6.43 $12.86
Diesel $4.49 $6.01 $12.03

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 19, 2026

There is no time difference between South Duxbury and Somerville. The current time is 05:38:04.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.