How far is Somerville, MA from Ashby, MA?
The driving distance from Somerville, MA to Ashby, MA is about 49.5 miles (79.7 km), with a travel time of about 01h 20m by car.
- The straight-line flight distance is about 41.8 miles (67.3 km).
- For a round trip, plan for roughly 02h 41m 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 01h 20m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
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.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Somerville and Ashby.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerville and Ashby.
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1
Start on the route
50 m · 14 sec
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2
Turn right onto Highland Avenue
1.3 mi · 5 min · Highland Avenue
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3
Turn left onto Dover Street
1483 ft · 1 min · Dover Street
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4
Turn right onto Massachusetts Avenue
1 km · 1 min · Massachusetts Avenue
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5
Turn left onto Alewife Brook Parkway
1895 ft · 50 sec · Alewife Brook Parkway
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6
Turn right onto Concord Turnpike
4.1 mi · 6 min · Concord Turnpike
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7
Continue on Concord Highway
2.9 mi · 4 min · Concord Highway
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8
Continue on Cambridge Turnpike
3.3 mi · 5 min · Cambridge Turnpike
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9
Continue on Concord Turnpike
3.9 mi · 6 min · Concord Turnpike
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10
Continue on Elm Street
1635 ft · 35 sec · Elm Street
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11
Enter the roundabout and take exit 3 toward Concord Rotary
124 m · 5 sec · Union Turnpike
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12
Exit the rotary onto Union Turnpike
3035 ft · 39 sec · Union Turnpike
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13
Continue on Massachusetts Avenue
6.2 mi · 9 min · Massachusetts Avenue
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14
Continue on George W Stanton Highway
1406 ft · 22 sec · George W Stanton Highway
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15
Continue on Captain Isaac Davis Highway
11.2 mi · 15 min · Captain Isaac Davis Highway
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16
Keep slight left to continue on Concord Turnpike
3.8 mi · 5 min · Concord Turnpike
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17
Turn right onto Abbott Avenue
1.1 km · 2 min · Abbott Avenue
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18
At the end of the road, turn left onto Water Street
986 ft · 23 sec · Water Street
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19
Turn right onto Bemis Road
2605 ft · 54 sec · Bemis Road
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20
Keep slight right to continue on John Fitch Highway
2.9 mi · 6 min · John Fitch Highway
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21
Enter the roundabout and take exit 1 toward Ashby State Road
10 m · 1 sec · Ashby State Road
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22
Exit the roundabout onto Ashby State Road
2.6 mi · 4 min · Ashby State Road
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23
Continue on Fitchburg State Road
1.9 mi · 3 min · Fitchburg State Road
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24
Continue on Main Street
1.6 mi · 4 min · Main Street
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25
Turn right onto Common Road
37 m · 5 sec · Common Road
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26
Arrive at your destination
0 m · 1 sec · Common Road
Car Route Details
A richer read on the saved driving route between Somerville and Ashby.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Captain Isaac Davis Highway
Continue on Captain Isaac Davis Highway
11.2 mi · 00h 15m
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.
Chance Rain Showers leaving Somerville and Chance Rain Showers near Ashby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerville to Ashby?
The road trip is about 49.5 miles (79.7 km) and usually takes 01h 20m 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?
Littleton is a useful midpoint, sitting about 24.7 miles from Somerville and 24.8 miles from Ashby.
How much longer is the road route than the straight-line distance?
The direct path is about 41.8 miles (67.3 km), while the road route adds roughly 7.7 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 3:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.81 one way or $13.62 round trip. Estimated CO2 is about 15.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Somerville and Chance Rain Showers near Ashby.
Stop Ideas Near Littleton
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 Littleton.
Nashua, NH
Framingham station
Anderson Regional Transportation Center
Union Station
Flight Path Map
This map shows the direct air route between Somerville and Ashby. Straight-line distance: 41.82 mi (67.31 km).
#1 Somerville
A city in Middlesex County, Massachusetts.
| Population | 80,935 |
| Coordinates | 42.3876000, -71.0995000 |
| Altitude | 28 |
| Country | United States |
#2 Ashby
City in Grant County, Minnesota, United States of America
| Population | 3,204 |
| Coordinates | 42.6778700, -71.8203500 |
| Altitude | 279 |
| Country | United States |
End: Ashby (-71.82035, 42.67787)
Estimated Travel Time
Distance: 80 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 39m |
| 40 mph (64.37 km/h) | 01h 14m |
| 50 mph (80.47 km/h) | 00h 59m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $6.81 | $13.62 |
| Mid-grade | $4.40 | $7.69 | $15.39 |
| Premium | $4.80 | $8.40 | $16.80 |
| Diesel | $4.49 | $7.85 | $15.71 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.