How far is Merrimack, NH from Brookline, NH?

The driving distance from Merrimack, NH to Brookline, NH is about 17.8 miles (28.7 km), with a travel time of about 00h 35m by car.

  • The straight-line flight distance is about 12.3 miles (19.8 km).
  • For a round trip, plan for roughly 01h 11m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
17.85 mi
00h 35m
Flight
12.28 mi
19.76 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Merrimack.

Flight Distance

Direct air line
12.28 mi
Kilometers
19.76 km
Flight Time
00h 01m

Driving Distance

Road route
17.85 mi
Kilometers
28.72 km
Drive Time
00h 35m

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 00h 35m.

Arrival Snapshot
Arrive in Brookline
Thu, Apr 16, 1:38 AM EDT
Return by in Merrimack
Thu, Apr 16, 2:13 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Merrimack
2026-04-16T01:02
Arrive Brookline
Thu, Apr 16, 1:38 AM EDT
Route Timing
00h 35m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:36 AM to 7:36 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:18 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Merrimack
10:00 PM EDT
Flexible departure

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
Nashua
NH

The most populous city in Hillsborough County, New Hampshire.

From Merrimack
8.9 mi
00h 17m
To Brookline
8.9 mi
00h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
69°F
Thursday

Chance Rain Showers

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 5 mph SE
Destination
72°F
Thursday

Chance Rain Showers

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 5 mph SE

Driving Route Map

The map below follows the saved road route between Merrimack and Brookline.

Turn-by-Turn Driving Directions

Step-by-step road directions between Merrimack and Brookline.

  1. 1

    Start on Loop Road

    938 ft · 46 sec · Loop Road

  2. 2

    At the end of the road, turn left onto Daniel Webster Highway

    1.7 mi · 4 min · Daniel Webster Highway

  3. 3

    Turn right onto Greeley Street

    1118 ft · 28 sec · Greeley Street

  4. 4

    Continue on Continental Boulevard

    121 m · 11 sec · Continental Boulevard

  5. 5

    Turn right onto Amherst Road

    77 m · 11 sec · Amherst Road

  6. 6

    Turn right onto Executive Park Drive

    16 m · 2 sec · Executive Park Drive

  7. 7

    Take the ramp slight right toward Everett Turnpike South

    646 ft · 17 sec

  8. 8

    Keep slight left

    2851 ft · 1 min

  9. 9

    Merge slight left onto Everett Turnpike

    4.1 mi · 5 min · Everett Turnpike

  10. 10

    Take the exit slight right toward NH 130: Hollis

    1279 ft · 31 sec

  11. 11

    Keep slight right to continue on NH 130 West: Hollis, Brookline

    100 m · 10 sec

  12. 12

    Turn straight onto Broad Street

    1.4 mi · 4 min · Broad Street

  13. 13

    Enter the roundabout and take exit 2 toward Broad Street

    29 m · 3 sec · Broad Street

  14. 14

    Exit the roundabout onto Broad Street

    3.9 mi · 8 min · Broad Street

  15. 15

    Turn right onto Ash Street

    2243 ft · 1 min · Ash Street

  16. 16

    Continue on Proctor Hill Road

    3.2 mi · 6 min · Proctor Hill Road

  17. 17

    Continue on Pepperell Road

    1.1 mi · 2 min · Pepperell Road

  18. 18

    Continue on Main Street

    1555 ft · 44 sec · Main Street

  19. 19

    Turn slight right onto Old Milford Road

    1373 ft · 50 sec · Old Milford Road

  20. 20

    Turn right onto Steam Mill Hill Road

    20 m · 8 sec · Steam Mill Hill Road

  21. 21

    Arrive at your destination

    0 m · 1 sec · Steam Mill Hill Road

Car Route Details

A richer read on the saved driving route between Merrimack and Brookline.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
21 steps
12 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
118 / 100 mi
Decision points by distance
Main Roads
Broad Street
5.36 mi · 30%
Everett Turnpike
4.07 mi · 23%
Proctor Hill Road
3.21 mi · 18%
Daniel Webster Highway
1.67 mi · 9%
Pepperell Road
1.06 mi · 6%
Everett Turnpike South
0.66 mi · 4%
Longest Stretch

Everett Turnpike

Merge slight left onto Everett Turnpike

4.07 mi · 00h 05m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 35m
Quick drive
Same-Day Return
01h 12m
Round-trip wheel time
Road vs Air
+5.5 mi
12.3 mi direct line
Halfway Stop
Nashua
00h 17m from Merrimack
Leave By
7:18 PM EDT
Flexible departure
Weather Watch

Chance Rain Showers leaving Merrimack and Chance Rain Showers near Brookline.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Merrimack to Brookline?

The road trip is about 17.8 miles (28.7 km) and usually takes 00h 35m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Nashua is a useful midpoint, sitting about 8.9 miles from Merrimack and 8.9 miles from Brookline.

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

The direct path is about 12.3 miles (19.8 km), while the road route adds roughly 5.5 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:18 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.49 one way or $4.97 round trip. Estimated CO2 is about 5.6 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Merrimack and Chance Rain Showers near Brookline.

Stop Ideas Near Nashua

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

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

BUS

Nashua, NH

4 mi away
8 North Southwood Drive
BUS

Manchester, New Hampshire

25 mi away
119 Canal St.
RAIL

Haverhill station

31 mi away
Washington Street at Railroad Square
RAIL

Anderson Regional Transportation Center

39 mi away
100 Atlantic Ave.

Flight Path Map

This map shows the direct air route between Merrimack and Brookline. Straight-line distance: 12.28 mi (19.76 km).

Merrimack

#1 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Brookline

#2 Brookline

Town in Hillsborough County, New Hampshire, United States

Population5,495
Coordinates42.7348100, -71.6581300
Altitude88
CountryUnited States
Start: Merrimack (-71.4934, 42.86509)
End: Brookline (-71.65813, 42.73481)

Estimated Travel Time

Distance: 29 km by road

SpeedTime
30 mph (48.3 km/h)00h 35m
40 mph (64.37 km/h)00h 26m
50 mph (80.47 km/h)00h 21m
60 mph (96.56 km/h)00h 17m
70 mph (112.65 km/h)00h 15m
80 mph (129 km/h)00h 13m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.63 gal
2.38 L · about $2.49
Round trip
$4.97
1.26 gal · 4.76 L
Estimated CO2
5.6 kg one way
Round trip: 11.2 kg / 25 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $2.49 $4.97
Mid-grade $4.46 $2.81 $5.62
Premium $4.86 $3.06 $6.12
Diesel $6.00 $3.78 $7.56

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 New Hampshire · Apr 16, 2026

There is no time difference between Merrimack and Brookline. The current time is 01:02:33.

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.