How far is Somerville, MA from Dalton, MA?

The estimated driving distance from Somerville, MA to Dalton, MA is about 132 miles (212.4 km), with a travel time of about 02h 44m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 105.6 miles (169.9 km).
  • For a round trip, plan for roughly 05h 29m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Road route is being refreshed. This page currently uses an estimated driving distance until a routing provider returns the full road geometry.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
131.95 mi
02h 44m · estimated
Flight
105.56 mi
169.89 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Somerville.

Flight Distance

Direct air line
105.56 mi
Kilometers
169.89 km
Flight Time
00h 12m

Driving Distance

Estimated road route
131.95 mi
Estimated
Kilometers
212.36 km
Drive Time
02h 44m

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 02h 44m.

Arrival Snapshot
Arrive in Dalton
Fri, Apr 10, 8:13 PM EDT
Return by in Somerville
Fri, Apr 10, 10:58 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Somerville
2026-04-10T17:29
Arrive Dalton
Fri, Apr 10, 8:13 PM EDT
Route Timing
02h 44m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:45 AM to 12:45 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:00 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Somerville
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Barre
MA

Town in Massachusetts, United States

From Somerville
52.8 mi
01h 22m
To Dalton
79.2 mi
01h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Today

Sunny

Starts
Fri, Apr 10 6:00 AM EDT
Wind
1 to 15 mph S
Destination
68°F
Friday

Mostly Sunny

Starts
Fri, Apr 10 6:00 AM EDT
Wind
5 to 13 mph S

Driving Route Map

Road route is being refreshed. This page currently uses an estimated driving distance.

Turn-by-Turn Driving Directions

Step-by-step road directions between Somerville and Dalton.

Turn-by-turn directions will appear after the road route is refreshed. The current distance is an estimate.

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 44m
Day trip friendly
Same-Day Return
05h 30m
Round-trip wheel time
Road vs Air
+26.4 mi
105.6 mi direct line
Halfway Stop
Barre
01h 22m from Somerville
Leave By
1:00 PM EDT
Morning start is best
Weather Watch

Sunny leaving Somerville and Mostly Sunny near Dalton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Somerville to Dalton?

The road trip is about 132 miles (212.4 km) and usually takes 02h 44m 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?

Barre is a useful midpoint, sitting about 52.8 miles from Somerville and 79.2 miles from Dalton.

How much longer is the road route than the straight-line distance?

The direct path is about 105.6 miles (169.9 km), while the road route adds roughly 26.4 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 1:00 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $18.13 one way or $36.25 round trip. Estimated CO2 is about 41.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Somerville and Mostly Sunny near Dalton.

Stop Ideas Near Barre

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Barre, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Barre.

RAIL

Union Station

31 mi away
2 Washington Square
RAIL

Amherst, Massachusetts

34 mi away
13 Railroad St.
RAIL

Union Station

44 mi away
170 Pleasant Street
RAIL

John W. Olver Transit Center

44 mi away
12 Olive Street

Flight Path Map

This map shows the direct air route between Somerville and Dalton. Straight-line distance: 105.56 mi (169.89 km).

Somerville

#1 Somerville

A city in Middlesex County, Massachusetts.

Population80,935
Coordinates42.3876000, -71.0995000
Altitude28
CountryUnited States
Dalton

#2 Dalton

Town in Berkshire County, Massachusetts, United States

Population6,479
Coordinates42.4737000, -73.1662100
Altitude348
CountryUnited States
Start: Somerville (-71.0995, 42.3876)
End: Dalton (-73.16621, 42.4737)

Estimated Travel Time

Distance: 212 km by road

SpeedTime
30 mph (48.3 km/h)04h 23m
40 mph (64.37 km/h)03h 17m
50 mph (80.47 km/h)02h 38m
60 mph (96.56 km/h)02h 11m
70 mph (112.65 km/h)01h 53m
80 mph (129 km/h)01h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.66 gal
17.63 L · about $18.13
Round trip
$36.25
9.32 gal · 35.26 L
Estimated CO2
41.4 kg one way
Round trip: 82.8 kg / 183 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $18.13 $36.25
Mid-grade $4.40 $20.49 $40.98
Premium $4.80 $22.36 $44.73
Diesel $4.49 $20.91 $41.83

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 10, 2026

There is no time difference between Somerville and Dalton. The current time is 17:29:22.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.