How far is Chelmsford, MA from Somerville, MA?
The driving distance from Chelmsford, MA to Somerville, MA is about 31.3 miles (50.3 km), with a travel time of about 00h 39m by car.
- The straight-line flight distance is about 20 miles (32.2 km).
- For a round trip, plan for roughly 01h 18m 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 39m.
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.
Town in Middlesex County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Partly Sunny then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Chelmsford and Somerville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chelmsford and Somerville.
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1
Start on Clover Hill Drive
961 ft · 45 sec · Clover Hill Drive
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2
Turn right onto Westford Street
1.2 km · 2 min · Westford Street
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3
Turn left onto Academy Street
111 m · 12 sec · Academy Street
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4
Turn right onto North Road
152 m · 17 sec · North Road
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5
Turn left onto Littleton Road
67 m · 8 sec · Littleton Road
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6
Continue on Billerica Road
2.2 mi · 4 min · Billerica Road
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7
Take the ramp slight right toward US 3 South: Burlington
2365 ft · 58 sec
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8
Merge slight left
8.5 mi · 10 min
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9
Keep slight left to continue on I 95 North, US 3 South: Boston, Peabody
1 mi · 2 min
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10
Keep slight left
1528 ft · 43 sec
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11
Merge slight left onto Yankee Division Highway
1.5 km · 1 min · Yankee Division Highway
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12
Take the exit slight right toward US 3 South: Winchester
1045 ft · 32 sec
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13
Merge slight left onto Cambridge Street
2354 ft · 35 sec · Cambridge Street
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14
Continue on Cambridge Road
2 mi · 2 min · Cambridge Road
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15
Continue on Cambridge Street
1.1 mi · 1 min · Cambridge Street
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16
Turn left onto Church Street
1781 ft · 38 sec · Church Street
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17
Turn right onto Bacon Street
1.2 km · 2 min · Bacon Street
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18
Enter the roundabout and take exit 1 toward Main Street
11 m · 1 sec · Main Street
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19
Exit the roundabout onto Main Street
2683 ft · 45 sec · Main Street
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20
Continue on Winthrop Street
1.3 mi · 2 min · Winthrop Street
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21
Enter the roundabout and take exit 3 toward High Street
46 m · 4 sec · High Street
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22
Exit the roundabout onto High Street
2364 ft · 1 min · High Street
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23
Turn slight right onto Clippership Drive
35 m · 6 sec · Clippership Drive
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24
Turn slight right onto Main Street
1095 ft · 31 sec · Main Street
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25
Continue on Main Street
1.5 km · 2 min · Main Street
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26
Continue on Medford Street
1957 ft · 41 sec · Medford Street
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27
Continue on Medford Street
1.1 km · 2 min · Medford Street
-
28
Turn right onto School Street
940 ft · 46 sec · School Street
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29
Turn right onto Highland Avenue
85 m · 16 sec · Highland Avenue
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30
Turn right
50 m · 12 sec
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31
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Chelmsford 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.
US 3 South
Merge slight left
8.51 mi · 00h 10m
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.
Mostly Clear leaving Chelmsford and Partly Sunny 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 Chelmsford to Somerville?
The road trip is about 31.3 miles (50.3 km) and usually takes 00h 39m 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?
Burlington is a useful midpoint, sitting about 12 miles from Chelmsford and 19.3 miles from Somerville.
How much longer is the road route than the straight-line distance?
The direct path is about 20 miles (32.2 km), while the road route adds roughly 11.3 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 7:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.28 one way or $8.56 round trip. Estimated CO2 is about 9.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Chelmsford and Partly Sunny then Chance Rain Showers near Somerville.
Stop Ideas Near Burlington
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cocobeet - Boston
Boston's Old City Hall
Cambridge City Hall
City Hall Plaza
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Burlington.
Anderson Regional Transportation Center
North Station
Back Bay station
South Station
Flight Path Map
This map shows the direct air route between Chelmsford and Somerville. Straight-line distance: 20.03 mi (32.23 km).
#1 Chelmsford
Town in Middlesex County, Massachusetts, United States
| Population | 35,528 |
| Coordinates | 42.5998100, -71.3672800 |
| Altitude | 75 |
| 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: 50 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 02m |
| 40 mph (64.37 km/h) | 00h 46m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $4.28 | $8.56 |
| Mid-grade | $4.40 | $4.84 | $9.67 |
| Premium | $4.80 | $5.28 | $10.56 |
| Diesel | $4.49 | $4.94 | $9.87 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.