How far is Somerville, MA from Brentwood, NH?
The driving distance from Somerville, MA to Brentwood, NH is about 48.3 miles (77.8 km), with a travel time of about 01h 10m by car.
- The straight-line flight distance is about 40.9 miles (65.8 km).
- For a round trip, plan for roughly 02h 20m 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 10m.
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.
Town in Essex County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Somerville and Brentwood.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerville and Brentwood.
-
1
Start on the route
50 m ยท 18 sec
-
2
Turn left onto Highland Avenue
2121 ft ยท 2 min ยท Highland Avenue
-
3
Continue on Medford Street
134 m ยท 13 sec ยท Medford Street
-
4
Turn left onto McGrath Highway
3180 ft ยท 1 min ยท McGrath Highway
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5
Take the exit slight right toward I 93, MA 38: Medford, Boston
63 m ยท 6 sec
-
6
Keep slight left to continue on I 93 North, MA 38 North: Medford, Concord New Hampshire
1509 ft ยท 49 sec
-
7
Turn straight onto Mystic Avenue
2646 ft ยท 57 sec ยท Mystic Avenue
-
8
Take the ramp slight right toward I 93 North: Lawrence, Concord New Hampshire
2113 ft ยท 52 sec
-
9
Merge slight left
18.8 mi ยท 22 min
-
10
Take the exit slight right toward I 495 North: Lawrence
2420 ft ยท 1 min
-
11
Merge slight left
11.5 mi ยท 14 min
-
12
Take the exit slight right toward MA 125 South: Haverhill
1697 ft ยท 48 sec
-
13
Turn slight right onto Main Street
1207 ft ยท 30 sec ยท Main Street
-
14
Turn slight left onto Marsh Avenue
1293 ft ยท 28 sec ยท Marsh Avenue
-
15
Continue on North Avenue
1.5 mi ยท 3 min ยท North Avenue
-
16
Turn right onto Main Street
2.3 mi ยท 4 min ยท Main Street
-
17
Turn right onto Plaistow Road
1.2 mi ยท 2 min ยท Plaistow Road
-
18
Continue on State Route 125
9.5 mi ยท 15 min ยท State Route 125
-
19
Turn right onto Middle Road
88 m ยท 14 sec ยท Middle Road
-
20
Turn left onto Crawley Falls Road
43 m ยท 4 sec ยท Crawley Falls Road
-
21
Arrive at your destination
0 m ยท 1 sec ยท Crawley Falls Road
Car Route Details
A richer read on the saved driving route between Somerville and Brentwood.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 93 North
Merge slight left
18.8 mi ยท 00h 22m
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.
Sunny leaving Somerville and Sunny near Brentwood.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerville to Brentwood?
The road trip is about 48.3 miles (77.8 km) and usually takes 01h 10m 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?
North Andover is a useful midpoint, sitting about 24.2 miles from Somerville and 24.2 miles from Brentwood.
How much longer is the road route than the straight-line distance?
The direct path is about 40.9 miles (65.8 km), while the road route adds roughly 7.4 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 4:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.37 one way or $14.74 round trip. Estimated CO2 is about 15.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Somerville and Sunny near Brentwood.
Stop Ideas Near North Andover
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 North Andover.
Haverhill station
Anderson Regional Transportation Center
Newburyport, Massachusetts
Nashua, NH
Flight Path Map
This map shows the direct air route between Somerville and Brentwood. Straight-line distance: 40.86 mi (65.76 km).
#1 Somerville
A city in Middlesex County, Massachusetts.
| Population | 80,935 |
| Coordinates | 42.3876000, -71.0995000 |
| Altitude | 28 |
| Country | United States |
#2 Brentwood
Town in New Hampshire
| Population | 4,612 |
| Coordinates | 42.9787000, -71.0728400 |
| Altitude | 35 |
| Country | United States |
End: Brentwood (-71.07284, 42.9787)
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 | $4.31 | $7.37 | $14.74 |
| Mid-grade | $4.94 | $8.45 | $16.89 |
| Premium | $5.35 | $9.15 | $18.30 |
| Diesel | $6.33 | $10.82 | $21.64 |
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 ยท Oct 15, 2026