How far is Acton, MA from City of Somerville, MA?
The driving distance from Acton, MA to City of Somerville, MA is about 20 miles (32.2 km), with a travel time of about 00h 33m by car.
- The straight-line flight distance is about 18.1 miles (29.2 km).
- For a round trip, plan for roughly 01h 07m 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 33m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Coastal town in Plymouth County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Driving Route Map
The map below follows the saved road route between Acton and City of Somerville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Acton and City of Somerville.
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1
Start on Concord Road
1.2 mi · 3 min · Concord Road
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2
At the end of the road, turn right onto Great Road
2622 ft · 56 sec · Great Road
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3
Continue on Elm Street
3099 ft · 59 sec · Elm Street
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4
Enter the roundabout and take exit 3 toward Concord Rotary
156 m · 7 sec · Elm Street
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5
Exit the rotary onto Elm Street
1635 ft · 35 sec · Elm Street
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6
Continue on Concord Turnpike
3.7 mi · 5 min · Concord Turnpike
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7
Continue on Cambridge Turnpike Rte 2
3.5 mi · 5 min · Cambridge Turnpike Rte 2
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8
Continue on Concord Highway
3.4 mi · 5 min · Concord Highway
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9
Continue on Concord Turnpike
3.5 mi · 5 min · Concord Turnpike
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10
Take the exit slight left toward MA 16 East, US 3 North: Medford, Woburn
144 m · 14 sec
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11
Merge slight right onto Alewife Brook Parkway
1.5 km · 3 min · Alewife Brook Parkway
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12
Turn right onto Powder House Boulevard
1.5 km · 2 min · Powder House Boulevard
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13
Enter the roundabout and take exit 4 toward Powder House Square
71 m · 5 sec
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14
Exit the rotary
8 m · 1 sec
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15
Continue on Warner Street
914 ft · 20 sec · Warner Street
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16
Continue on Harvard Street
1799 ft · 41 sec · Harvard Street
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17
Turn right onto Main Street
1044 ft · 21 sec · Main Street
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18
Continue on Medford Street
1957 ft · 41 sec · Medford Street
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19
Continue on Medford Street
2051 ft · 1 min · Medford Street
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20
Turn right onto Central Street
551 ft · 23 sec · Central Street
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21
Turn left onto Pembroke Street
39 m · 5 sec · Pembroke Street
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22
Arrive at your destination
0 m · 1 sec · Pembroke Street
Car Route Details
A richer read on the saved driving route between Acton and City of 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.
Concord Turnpike
Continue on Concord Turnpike
3.72 mi · 00h 05m
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.
Rain Showers leaving Acton and Rain Showers near City of Somerville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Acton to City of Somerville?
The road trip is about 20 miles (32.2 km) and usually takes 00h 33m 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?
Kingston is a useful midpoint, sitting about 10.2 miles from Acton and 9.8 miles from City of Somerville.
How much longer is the road route than the straight-line distance?
The direct path is about 18.1 miles (29.2 km), while the road route adds roughly 1.9 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 7:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.76 one way or $5.52 round trip. Estimated CO2 is about 6.3 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Acton and Rain Showers near City of Somerville.
Stop Ideas Near Kingston
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 Kingston.
Anderson Regional Transportation Center
Back Bay station
North Station
South Station
Flight Path Map
This map shows the direct air route between Acton and City of Somerville. Straight-line distance: 18.12 mi (29.16 km).
#1 Acton
Town in Massachusetts, United States
| Population | 23,503 |
| Coordinates | 42.4850900, -71.4328400 |
| Altitude | 81 |
| Country | United States |
#2 City of Somerville
A city in Middlesex County, Massachusetts.
| Population | 75,754 |
| Coordinates | 42.3907200, -71.1013100 |
| Altitude | 18 |
| Country | United States |
End: Pembroke Street (-71.101104, 42.390958)
Estimated Travel Time
Distance: 32 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 39m |
| 40 mph (64.37 km/h) | 00h 29m |
| 50 mph (80.47 km/h) | 00h 23m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 17m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $2.76 | $5.52 |
| Mid-grade | $4.40 | $3.12 | $6.24 |
| Premium | $4.80 | $3.41 | $6.81 |
| Diesel | $4.49 | $3.19 | $6.37 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.