How far is Somerville, MA from Dalton, MA?

The driving distance from Somerville, MA to Dalton, MA is about 140.9 miles (226.7 km), with a travel time of about 03h 06m by car.

  • The straight-line flight distance is about 105.6 miles (169.9 km).
  • For a round trip, plan for roughly 06h 12m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
140.88 mi
03h 06m
Flight
105.56 mi
169.89 km direct

This drive is better planned with a longer stop or an overnight stay.

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

Road route
140.88 mi
Kilometers
226.73 km
Drive Time
03h 06m

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 03h 06m.

Arrival Snapshot
Arrive in Dalton
Wed, Jun 10, 9:45 AM EDT
Return by in Somerville
Wed, Jun 10, 12:51 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Somerville
2026-06-10T06:39
Arrive Dalton
Wed, Jun 10, 9:45 AM EDT
Route Timing
03h 06m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:06 AM to 11:06 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:48 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Somerville
9:00 PM EDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Palmer
MA

City in Hampden County, Massachusetts, United States

From Somerville
70.3 mi
01h 33m
To Dalton
70.6 mi
01h 33m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Wednesday

Partly Sunny

Starts
Wed, Jun 10 6:00 AM EDT
Wind
5 to 12 mph SW
Destination
80°F
Wednesday

Showers And Thunderstorms

Starts
Wed, Jun 10 6:00 AM EDT
Wind
6 to 9 mph S

Driving Route Map

The map below follows the saved road route between Somerville and Dalton.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    50 m · 18 sec

  2. 2

    Turn left onto Highland Avenue

    2121 ft · 2 min · Highland Avenue

  3. 3

    Continue on Medford Street

    134 m · 14 sec · Medford Street

  4. 4

    Turn right onto McGrath Highway

    121 m · 8 sec · McGrath Highway

  5. 5

    Continue on McGrath Highway

    960 ft · 19 sec · McGrath Highway

  6. 6

    Turn right onto Washington Street

    1106 ft · 26 sec · Washington Street

  7. 7

    Turn left onto Prospect Street

    1.1 mi · 4 min · Prospect Street

  8. 8

    Continue on Western Avenue

    1.1 km · 2 min · Western Avenue

  9. 9

    Turn left onto Soldiers Field Road

    1012 ft · 28 sec · Soldiers Field Road

  10. 10

    Take the ramp right toward I 90: Mass Pike

    1326 ft · 32 sec

  11. 11

    Keep slight right to continue on I 90 West: Worcester

    2260 ft · 55 sec

  12. 12

    Merge slight left onto Massachusetts Turnpike

    51.7 mi · 1 hr 1 min · Massachusetts Turnpike

  13. 13

    Keep slight left to continue on Massachusetts Turnpike

    68 mi · 1 hr 19 min · Massachusetts Turnpike

  14. 14

    Take the exit slight right toward US 20: Lee, Pittsfield

    3137 ft · 1 min

  15. 15

    Keep slight right

    115 m · 9 sec

  16. 16

    Merge slight left onto Housatonic Street

    2865 ft · 1 min · Housatonic Street

  17. 17

    Continue on Park Street

    648 ft · 18 sec · Park Street

  18. 18

    Turn slight right onto Main Street

    2327 ft · 1 min · Main Street

  19. 19

    Turn left onto West Center Street

    959 ft · 13 sec · West Center Street

  20. 20

    Continue on Laurel Street

    1.2 mi · 2 min · Laurel Street

  21. 21

    Continue on Lee Road

    1.2 mi · 2 min · Lee Road

  22. 22

    Continue on Veterans Memorial Highway

    2.2 mi · 3 min · Veterans Memorial Highway

  23. 23

    Continue on Pittsfield Road

    2 mi · 4 min · Pittsfield Road

  24. 24

    Take the exit straight

    96 m · 8 sec

  25. 25

    Turn slight right onto Holmes Road

    3.5 mi · 7 min · Holmes Road

  26. 26

    Keep slight right to continue on Holmes Road

    35 m · 3 sec · Holmes Road

  27. 27

    Turn right onto Elm Street

    982 ft · 33 sec · Elm Street

  28. 28

    Turn left onto Dorchester Avenue

    2158 ft · 1 min · Dorchester Avenue

  29. 29

    Turn right onto Newell Street

    2048 ft · 1 min · Newell Street

  30. 30

    At the end of the road, turn right onto East Street

    3.6 mi · 8 min · East Street

  31. 31

    Turn right onto Main Street

    1.1 km · 2 min · Main Street

  32. 32

    Turn left onto Haworth Street

    119 m · 17 sec · Haworth Street

  33. 33

    Turn right onto Stockbridge Avenue

    67 m · 10 sec · Stockbridge Avenue

  34. 34

    Arrive at your destination

    0 m · 1 sec · Stockbridge Avenue

Car Route Details

A richer read on the saved driving route between Somerville and Dalton.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
34 steps
17 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
24.1 / 100 mi
Decision points by distance
Main Roads
Massachusetts Turnpike
120 mi · 85%
East Street
3.58 mi · 3%
Holmes Road
3.49 mi · 2%
Veterans Memorial Highway
2.16 mi · 2%
Pittsfield Road
2.08 mi · 1%
Laurel Street
1.2 mi · 1%
Longest Stretch

Massachusetts Turnpike

Keep slight left to continue on Massachusetts Turnpike

68 mi · 01h 19m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 06m
Long day trip
Same-Day Return
06h 12m
Round-trip wheel time
Road vs Air
+35.3 mi
105.6 mi direct line
Halfway Stop
Palmer
01h 33m from Somerville
Leave By
10:48 AM EDT
Early departure recommended
Weather Watch

Partly Sunny leaving Somerville and Showers And Thunderstorms 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 140.9 miles (226.7 km) and usually takes 03h 06m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Palmer is a useful midpoint, sitting about 70.3 miles from Somerville and 70.6 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 35.3 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:48 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.33 one way or $38.67 round trip. Estimated CO2 is about 44.2 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Somerville and Showers And Thunderstorms near Dalton.

Stop Ideas Near Palmer

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

Mid-route Guidance
Local place coverage is thin around Palmer, 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 Palmer.

RAIL

Springfield Union Station

23 mi away
66 Lyman St.
RAIL

Amherst, Massachusetts

28 mi away
13 Railroad St.
RAIL

Union Station

30 mi away
170 Pleasant Street
RAIL

Windsor Locks

37 mi away
South Main St at Stanton Road

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: 227 km by road

SpeedTime
30 mph (48.3 km/h)04h 41m
40 mph (64.37 km/h)03h 31m
50 mph (80.47 km/h)02h 49m
60 mph (96.56 km/h)02h 20m
70 mph (112.65 km/h)02h 00m
80 mph (129 km/h)01h 45m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.97 gal
18.82 L · about $19.33
Round trip
$38.67
9.94 gal · 37.64 L
Estimated CO2
44.2 kg one way
Round trip: 88.3 kg / 195 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $19.33 $38.67
Mid-grade $4.40 $21.85 $43.71
Premium $4.80 $23.85 $47.70
Diesel $4.49 $22.31 $44.61

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 · Jun 10, 2026

There is no time difference between Somerville and Dalton. The current time is 06:39:31.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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