How far is Somerville, MA from Monson, MA?
The driving distance from Somerville, MA to Monson, MA is about 71.3 miles (114.7 km), with a travel time of about 01h 38m by car.
- The straight-line flight distance is about 65.4 miles (105.2 km).
- For a round trip, plan for roughly 03h 17m 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 38m.
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 Massachusetts
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Partly Sunny
Driving Route Map
The map below follows the saved road route between Somerville and Monson.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerville and Monson.
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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
51.7 mi · 1 hr 1 min · Massachusetts Turnpike
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13
Keep slight right to continue on Wilbur Cross Highway
1.6 mi · 3 min · Wilbur Cross Highway
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14
Take the exit slight right toward US 20 West: Sturbridge, Palmer
1557 ft · 44 sec
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15
Merge slight left onto Charlton Road
133 m · 8 sec · Charlton Road
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16
Take the exit slight right
120 m · 15 sec
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17
Continue on Charlton Road
1668 ft · 41 sec · Charlton Road
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18
Continue on Main Street
1.6 mi · 4 min · Main Street
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19
Continue on Brimfield Road
1.6 km · 1 min · Brimfield Road
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20
Continue on Sturbridge Road
4 mi · 5 min · Sturbridge Road
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21
Continue on Sturbridge Road
112 m · 7 sec · Sturbridge Road
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22
Continue on Main Street
1682 ft · 22 sec · Main Street
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23
Continue on Palmer Road
2.3 mi · 3 min · Palmer Road
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24
Turn left
15 m · 4 sec
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25
Turn right onto Main Palmer Road
1069 ft · 22 sec · Main Palmer Road
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26
Continue on Monson Road
1.2 mi · 2 min · Monson Road
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27
Continue on Brimfield Road
2 mi · 4 min · Brimfield Road
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28
Continue on Bethany Road
695 ft · 24 sec · Bethany Road
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29
Continue on Chestnut Street
1260 ft · 44 sec · Chestnut Street
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30
Continue on Main Street
1933 ft · 56 sec · Main Street
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31
Turn right onto Harrison Avenue
71 m · 10 sec · Harrison Avenue
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32
Arrive at your destination
0 m · 1 sec · Harrison Avenue
Car Route Details
A richer read on the saved driving route between Somerville and Monson.
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
51.7 mi · 01h 01m
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.
Mostly Cloudy leaving Somerville and Partly Sunny near Monson.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerville to Monson?
The road trip is about 71.3 miles (114.7 km) and usually takes 01h 38m 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?
Grafton is a useful midpoint, sitting about 35.5 miles from Somerville and 35.7 miles from Monson.
How much longer is the road route than the straight-line distance?
The direct path is about 65.4 miles (105.2 km), while the road route adds roughly 5.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.76 one way or $19.53 round trip. Estimated CO2 is about 22.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Somerville and Partly Sunny near Monson.
Stop Ideas Near Grafton
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 Grafton.
Union Station
Framingham station
Route 128 station
Providence station
Flight Path Map
This map shows the direct air route between Somerville and Monson. Straight-line distance: 65.37 mi (105.21 km).
#1 Somerville
A city in Middlesex County, Massachusetts.
| Population | 80,935 |
| Coordinates | 42.3876000, -71.0995000 |
| Altitude | 28 |
| Country | United States |
#2 Monson
Town in Massachusetts
| Population | 8,750 |
| Coordinates | 42.1042600, -72.3189700 |
| Altitude | 131 |
| Country | United States |
End: Monson (-72.31897, 42.10426)
Estimated Travel Time
Distance: 115 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 22m |
| 40 mph (64.37 km/h) | 01h 46m |
| 50 mph (80.47 km/h) | 01h 25m |
| 60 mph (96.56 km/h) | 01h 11m |
| 70 mph (112.65 km/h) | 01h 01m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $9.76 | $19.53 |
| Mid-grade | $4.40 | $11.04 | $22.07 |
| Premium | $4.80 | $12.05 | $24.09 |
| Diesel | $4.49 | $11.26 | $22.53 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.