How far is Somerville, MA from Blackstone, MA?
The driving distance from Somerville, MA to Blackstone, MA is about 48.4 miles (77.9 km), with a travel time of about 01h 14m by car.
- The straight-line flight distance is about 34.1 miles (54.9 km).
- For a round trip, plan for roughly 02h 28m 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 14m.
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.
Census-designated place in Worcester County, Massachusetts
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Rain Showers
Partly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Somerville and Blackstone.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerville and Blackstone.
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1
Start on the route
50 m · 18 sec
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2
Turn left onto Highland Avenue
2121 ft · 2 min · Highland Avenue
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3
Continue on Medford Street
134 m · 14 sec · Medford Street
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4
Turn right onto McGrath Highway
121 m · 8 sec · McGrath Highway
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5
Continue on McGrath Highway
960 ft · 19 sec · McGrath Highway
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6
Turn right onto Washington Street
1106 ft · 26 sec · Washington Street
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7
Turn left onto Prospect Street
1.1 mi · 4 min · Prospect Street
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8
Continue on Western Avenue
1.1 km · 2 min · Western Avenue
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9
Turn left onto Soldiers Field Road
1012 ft · 28 sec · Soldiers Field Road
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10
Take the ramp right toward I 90: Mass Pike
1326 ft · 32 sec
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11
Keep slight right to continue on I 90 West: Worcester
2260 ft · 55 sec
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12
Merge slight left onto Massachusetts Turnpike
24.3 mi · 30 min · Massachusetts Turnpike
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13
Take the exit slight right toward I 495: Portsmouth New Hampshire, Taunton
3008 ft · 2 min
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14
Keep slight right to continue on I 495 South: Taunton, Cape Cod
2831 ft · 1 min
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15
Merge slight left
6.8 mi · 8 min
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16
Take the exit slight right toward MA 85: Milford, Hopkinton
1316 ft · 37 sec
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17
Keep slight right to continue on MA 85 South: Milford, Uxbridge
114 m · 10 sec
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18
Turn straight onto Cedar Street
1.2 mi · 2 min · Cedar Street
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19
At the end of the road, turn right onto East Main Street
1.6 mi · 3 min · East Main Street
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20
Continue on Mendon Street
1.1 mi · 2 min · Mendon Street
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21
Continue on Milford Street
1.6 km · 2 min · Milford Street
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22
Turn left onto Main Street
1916 ft · 38 sec · Main Street
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23
Continue on Providence Street
1.1 mi · 2 min · Providence Street
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24
Continue on Providence Street
2.1 mi · 4 min · Providence Street
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25
Continue on Blackstone Street
3.3 mi · 6 min · Blackstone Street
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26
Turn right onto Main Street
2061 ft · 1 min · Main Street
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27
Turn right onto Mason Street
15 m · 2 sec · Mason Street
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28
Arrive at your destination
0 m · 1 sec · Mason Street
Car Route Details
A richer read on the saved driving route between Somerville and Blackstone.
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
24.3 mi · 00h 30m
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.
Partly Sunny then Chance Rain Showers leaving Somerville and Partly Sunny then Slight Chance Rain Showers near Blackstone.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerville to Blackstone?
The road trip is about 48.4 miles (77.9 km) and usually takes 01h 14m 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?
Cordaville is a useful midpoint, sitting about 24.2 miles from Somerville and 24.2 miles from Blackstone.
How much longer is the road route than the straight-line distance?
The direct path is about 34.1 miles (54.9 km), while the road route adds roughly 14.3 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.65 one way or $13.30 round trip. Estimated CO2 is about 15.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Rain Showers around Somerville and Partly Sunny then Slight Chance Rain Showers near Blackstone.
Stop Ideas Near Cordaville
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 Cordaville.
Framingham station
Union Station
Route 128 station
Back Bay station
Flight Path Map
This map shows the direct air route between Somerville and Blackstone. Straight-line distance: 34.11 mi (54.9 km).
#1 Somerville
A city in Middlesex County, Massachusetts.
| Population | 80,935 |
| Coordinates | 42.3876000, -71.0995000 |
| Altitude | 28 |
| Country | United States |
#2 Blackstone
Town in Virginia
| Population | 9,209 |
| Coordinates | 42.0178800, -71.5411700 |
| Altitude | 55 |
| Country | United States |
End: Blackstone (-71.54117, 42.01788)
Estimated Travel Time
Distance: 78 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 36m |
| 40 mph (64.37 km/h) | 01h 12m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $6.65 | $13.30 |
| Mid-grade | $4.40 | $7.52 | $15.04 |
| Premium | $4.80 | $8.21 | $16.41 |
| Diesel | $4.49 | $7.67 | $15.35 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.