How far is Somerville, MA from Oak Bluffs, MA?

The driving distance from Somerville, MA to Oak Bluffs, MA is about 88.2 miles (142 km), with a travel time of about 02h 40m by car.

  • The straight-line flight distance is about 70.2 miles (112.9 km).
  • For a round trip, plan for roughly 05h 21m 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
88.21 mi
02h 40m
Flight
70.16 mi
112.91 km direct

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

Learn Distance

Choose another destination from Somerville.

Flight Distance

Direct air line
70.16 mi
Kilometers
112.91 km
Flight Time
00h 08m

Driving Distance

Road route
88.21 mi
Kilometers
141.96 km
Drive Time
02h 40m

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 02h 40m.

Arrival Snapshot
Arrive in Oak Bluffs
Sat, Apr 11, 5:45 PM EDT
Return by in Somerville
Sat, Apr 11, 8:26 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Somerville
2026-04-11T15:05
Arrive Oak Bluffs
Sat, Apr 11, 5:45 PM EDT
Route Timing
02h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:41 AM to 12:41 PM EDT

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

Leave by
1:08 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Somerville
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
Plymouth
MA

County seat town in Plymouth County, Massachusetts, United States

From Somerville
44.1 mi
01h 20m
To Oak Bluffs
44.1 mi
01h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Saturday

Sunny

Starts
Sat, Apr 11 6:00 AM EDT
Wind
12 to 16 mph NW
Destination
Oak Bluffs Weather
MA
Live fallback forecast
52°F
Saturday
Using Mashpee as the closest live forecast in the Massachusetts weather hub.

Mostly Sunny

Starts
Sat, Apr 11 2:00 AM EDT
Wind
8 to 14 mph NW

Driving Route Map

The map below follows the saved road route between Somerville and Oak Bluffs.

Turn-by-Turn Driving Directions

Step-by-step road directions between Somerville and Oak Bluffs.

  1. 1

    Start on the route

    50 m · 18 sec

  2. 2

    Turn left onto Highland Avenue

    2121 ft · 2 min · Highland Avenue

  3. 3

    Continue on Medford Street

    134 m · 13 sec · Medford Street

  4. 4

    Turn left onto McGrath Highway

    3180 ft · 1 min · McGrath Highway

  5. 5

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

    63 m · 6 sec

  6. 6

    Keep slight right to continue on I 93 South: Boston

    96 m · 9 sec

  7. 7

    Turn slight right onto I 93 South: Boston

    734 ft · 18 sec

  8. 8

    Keep slight left to continue on I 93 South: Boston

    1599 ft · 39 sec

  9. 9

    Merge slight left

    12.5 mi · 18 min

  10. 10

    Keep slight left to continue on MA 3 South: Cape Cod

    30.9 mi · 39 min

  11. 11

    Keep slight right to continue on Pilgrims Highway

    12 mi · 15 min · Pilgrims Highway

  12. 12

    Continue on Pilgrim Highway

    930 ft · 20 sec · Pilgrim Highway

  13. 13

    Continue on Sagamore Bridge

    2134 ft · 46 sec · Sagamore Bridge

  14. 14

    Continue on Mid Cape Highway

    1458 ft · 22 sec · Mid Cape Highway

  15. 15

    Take the exit slight right toward MA 6A: Sagamore

    2869 ft · 1 min

  16. 16

    At the end of the road, turn left onto Sandwich Road

    2.8 mi · 5 min · Sandwich Road

  17. 17

    Continue on Sandwich Road

    1242 ft · 31 sec · Sandwich Road

  18. 18

    Enter the roundabout and take exit 3 toward Bourne Rotary

    142 m · 16 sec · General MacArthur Boulevard

  19. 19

    Exit the rotary onto General MacArthur Boulevard

    4 mi · 6 min · General MacArthur Boulevard

  20. 20

    Enter the roundabout and take exit 2 toward Hero's Circle

    635 ft · 15 sec

  21. 21

    Exit the rotary

    9.5 mi · 14 min

  22. 22

    Continue on Locust Street

    1862 ft · 46 sec · Locust Street

  23. 23

    Continue on Woods Hole Road

    3.3 mi · 7 min · Woods Hole Road

  24. 24

    Turn left onto Crane Street

    85 m · 12 sec · Crane Street

  25. 25

    Keep slight right to continue on Cowdry Road

    137 m · 30 sec · Cowdry Road

  26. 26

    At the end of the road, turn left

    39 m · 15 sec

  27. 27

    Turn left

    62 m · 15 sec

  28. 28

    Continue on Woods Hole - Vineyard Haven Ferry

    8.5 mi · 44 min · Woods Hole - Vineyard Haven Ferry

  29. 29

    Continue straight

    130 m · 31 sec

  30. 30

    Continue on Oak Bluffs Avenue

    610 ft · 13 sec · Oak Bluffs Avenue

  31. 31

    Continue on Lake Avenue

    861 ft · 22 sec · Lake Avenue

  32. 32

    Turn left onto Siloam Avenue

    152 m · 22 sec · Siloam Avenue

  33. 33

    Continue on Siloam Avenue

    102 m · 17 sec · Siloam Avenue

  34. 34

    Turn left onto Jordan Crossing

    77 m · 32 sec · Jordan Crossing

  35. 35

    Turn right onto Butler Avenue

    52 m · 21 sec · Butler Avenue

  36. 36

    Arrive at your destination

    0 m · 1 sec · Butler Avenue

Car Route Details

A richer read on the saved driving route between Somerville and Oak Bluffs.

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
36 steps
14 turns on the saved route
Ramps & Exits
7
1 merges, 6 ramps or exits
Navigation Density
40.8 / 100 mi
Decision points by distance
Main Roads
MA 3 South
30.9 mi · 35%
I 93 South
13 mi · 15%
Pilgrims Highway
12 mi · 14%
Hero's Circle
9.62 mi · 11%
Woods Hole - Vineyard Haven Ferry
8.6 mi · 10%
General MacArthur Boulevard
4.03 mi · 5%
Longest Stretch

MA 3 South

Keep slight left to continue on MA 3 South: Cape Cod

30.9 mi · 00h 39m

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
02h 40m
Day trip friendly
Same-Day Return
05h 22m
Round-trip wheel time
Road vs Air
+18 mi
70.2 mi direct line
Halfway Stop
Plymouth
01h 20m from Somerville
Leave By
1:08 PM EDT
Morning start is best
Weather Watch

Sunny leaving Somerville and Mostly Sunny near Oak Bluffs.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Somerville to Oak Bluffs?

The road trip is about 88.2 miles (142 km) and usually takes 02h 40m 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?

Plymouth is a useful midpoint, sitting about 44.1 miles from Somerville and 44.1 miles from Oak Bluffs.

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

The direct path is about 70.2 miles (112.9 km), while the road route adds roughly 18 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 1:08 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.02 one way or $24.04 round trip. Estimated CO2 is about 27.5 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Somerville and Mostly Sunny near Oak Bluffs.

Stop Ideas Near Plymouth

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

Mid-route Guidance
Local place coverage is thin around Plymouth, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Route 128 station

49 mi away
50 University Ave
RAIL

South Station

54 mi away
2 South Station
RAIL

Back Bay station

55 mi away
145 Dartmouth St.
RAIL

North Station

56 mi away
100 Legends Way

Flight Path Map

This map shows the direct air route between Somerville and Oak Bluffs. Straight-line distance: 70.16 mi (112.91 km).

Somerville

#1 Somerville

A city in Middlesex County, Massachusetts.

Population80,935
Coordinates42.3876000, -71.0995000
Altitude28
CountryUnited States
Oak Bluffs

#2 Oak Bluffs

Town in Massachusetts

Population4,696
Coordinates41.4542800, -70.5619700
Altitude1
CountryUnited States
Start: Somerville (-71.0995, 42.3876)
End: Oak Bluffs (-70.56197, 41.45428)

Estimated Travel Time

Distance: 142 km by road

SpeedTime
30 mph (48.3 km/h)02h 56m
40 mph (64.37 km/h)02h 12m
50 mph (80.47 km/h)01h 45m
60 mph (96.56 km/h)01h 28m
70 mph (112.65 km/h)01h 15m
80 mph (129 km/h)01h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.09 gal
11.71 L · about $12.02
Round trip
$24.04
6.18 gal · 23.42 L
Estimated CO2
27.5 kg one way
Round trip: 54.9 kg / 121 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $12.02 $24.04
Mid-grade $4.40 $13.59 $27.17
Premium $4.80 $14.83 $29.66
Diesel $4.49 $13.87 $27.74

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 11, 2026

There is no time difference between Somerville and Oak Bluffs. The current time is 15:05:15.

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.