How far is Mendon, MA from Somerville, MA?
The driving distance from Mendon, MA to Somerville, MA is about 40.8 miles (65.7 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 30.3 miles (48.7 km).
- For a round trip, plan for roughly 01h 56m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
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 58m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
A census-designated place (CDP) in Framingham, Massachusetts.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Light Rain then Chance Rain Showers
Slight Chance Light Rain then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Mendon and Somerville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mendon and Somerville.
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1
Start on Maple Street
16 m · 1 sec · Maple Street
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2
Keep slight left to continue on Maple Street
36 m · 3 sec · Maple Street
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3
Turn straight onto Main Street
698 ft · 14 sec · Main Street
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4
Turn right onto Milford Street
1.6 km · 2 min · Milford Street
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5
Continue on Mendon Street
1.1 mi · 2 min · Mendon Street
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6
Continue on Main Street
1.6 mi · 3 min · Main Street
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7
Turn left onto Cedar Street
1.4 mi · 3 min · Cedar Street
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8
Take the ramp left toward I 495 North: Lowell
1063 ft · 26 sec
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9
Merge slight left
8.6 mi · 10 min
-
10
Take the exit slight right toward MA 9 East: Framingham
2321 ft · 57 sec
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11
Merge slight left onto Turnpike Road
3.6 mi · 5 min · Turnpike Road
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12
Continue on Worcester Road
1.3 km · 1 min · Worcester Road
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13
Take the exit slight right toward I 90 East, I 90 West: Masspike, Springfield, Boston
1880 ft · 46 sec
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14
Keep slight right to continue on I 90 East: Boston, Massachusetts Turnpike East
1600 ft · 39 sec
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15
Merge slight left onto Massachusetts Turnpike
19.1 mi · 24 min · Massachusetts Turnpike
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16
Take the exit slight left toward Allston-Brighton, Cambridge, Fenway Park
2628 ft · 1 min
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17
Keep slight right to continue on Cambridge, Somerville, Fenway Park
872 ft · 23 sec
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18
Turn slight right onto Cambridge Street
55 m · 6 sec · Cambridge Street
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19
Continue on River Street
1.2 km · 2 min · River Street
-
20
Continue on Prospect Street
1.5 km · 3 min · Prospect Street
-
21
Turn slight left onto Webster Avenue
991 ft · 40 sec · Webster Avenue
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22
Continue on Bow Street
851 ft · 40 sec · Bow Street
-
23
Turn slight right onto Summer Street
923 ft · 40 sec · Summer Street
-
24
Turn right onto Prescott Street
1161 ft · 55 sec · Prescott Street
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25
Turn left onto Highland Avenue
552 ft · 32 sec · Highland Avenue
-
26
Turn right
50 m · 12 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mendon and Somerville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Massachusetts Turnpike
Merge slight left onto Massachusetts Turnpike
19.1 mi · 00h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Slight Chance Light Rain then Chance Rain Showers leaving Mendon and Slight Chance Light Rain 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 Mendon to Somerville?
The road trip is about 40.8 miles (65.7 km) and usually takes 00h 58m 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?
Framingham Center is a useful midpoint, sitting about 20.9 miles from Mendon and 19.9 miles from Somerville.
How much longer is the road route than the straight-line distance?
The direct path is about 30.3 miles (48.7 km), while the road route adds roughly 10.5 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 4:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.60 one way or $11.20 round trip. Estimated CO2 is about 12.8 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Light Rain then Chance Rain Showers around Mendon and Slight Chance Light Rain then Chance Rain Showers near Somerville.
Stop Ideas Near Framingham Center
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Framingham Center.
Framingham station
Route 128 station
Union Station
Back Bay station
Flight Path Map
This map shows the direct air route between Mendon and Somerville. Straight-line distance: 30.26 mi (48.7 km).
#1 Mendon
Town in Massachusetts
| Population | 6,233 |
| Coordinates | 42.1056500, -71.5522900 |
| Altitude | 111 |
| 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: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 21m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $5.60 | $11.20 |
| Mid-grade | $4.40 | $6.33 | $12.66 |
| Premium | $4.80 | $6.91 | $13.82 |
| Diesel | $4.49 | $6.46 | $12.93 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.