How far is Lyndeborough, NH from Merrimack, NH?

The driving distance from Lyndeborough, NH to Merrimack, NH is about 23.7 miles (38.2 km), with a travel time of about 00h 36m by car.

  • The straight-line flight distance is about 14.1 miles (22.7 km).
  • For a round trip, plan for roughly 01h 12m 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
23.75 mi
00h 36m
Flight
14.13 mi
22.74 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Lyndeborough.

Flight Distance

Direct air line
14.13 mi
Kilometers
22.74 km
Flight Time
00h 01m

Driving Distance

Road route
23.75 mi
Kilometers
38.22 km
Drive Time
00h 36m

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 36m.

Arrival Snapshot
Arrive in Merrimack
Sat, Apr 18, 11:50 PM EDT
Return by in Lyndeborough
Sun, Apr 19, 12:27 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lyndeborough
2026-04-18T23:14
Arrive Merrimack
Sat, Apr 18, 11:50 PM EDT
Route Timing
00h 36m
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 Lyndeborough
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
Milford
NH

Town in Hillsborough County, New Hampshire, United States

From Lyndeborough
10.8 mi
00h 18m
To Merrimack
12.9 mi
00h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Saturday

Mostly Cloudy

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 mph E
Destination
60°F
Saturday

Mostly Cloudy

Starts
Sat, Apr 18 6:00 AM EDT
Wind
0 to 5 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Center Road

    5.6 mi · 12 min · Center Road

  2. 2

    Turn right onto North River Road

    1.3 km · 2 min · North River Road

  3. 3

    Continue on State Route 101

    4.8 mi · 7 min · State Route 101

  4. 4

    Take the exit slight right toward NH 101A: Milford, Nashua

    2194 ft · 1 min

  5. 5

    Keep slight left

    68 m · 10 sec

  6. 6

    Turn right

    4 mi · 8 min

  7. 7

    Turn left onto Continental Boulevard

    3.9 mi · 8 min · Continental Boulevard

  8. 8

    Continue on Greeley Street

    1028 ft · 33 sec · Greeley Street

  9. 9

    Turn left onto Daniel Webster Highway

    1.9 mi · 5 min · Daniel Webster Highway

  10. 10

    Turn sharp right onto Loop Road

    25 m · 4 sec · Loop Road

  11. 11

    Arrive at your destination

    0 m · 1 sec · Loop Road

Car Route Details

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

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
11 steps
5 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
46.4 / 100 mi
Decision points by distance
Main Roads
Center Road
5.57 mi · 23%
State Route 101
4.83 mi · 20%
Continental Boulevard
3.88 mi · 16%
Daniel Webster Highway
1.89 mi · 8%
North River Road
0.83 mi · 3%
NH 101A
0.46 mi · 2%
Longest Stretch

Center Road

Start on Center Road

5.57 mi · 00h 12m

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 36m
Quick drive
Same-Day Return
01h 12m
Round-trip wheel time
Road vs Air
+9.6 mi
14.1 mi direct line
Halfway Stop
Milford
00h 18m from Lyndeborough
Leave By
7:18 PM EDT
Flexible departure
Weather Watch

Mostly Cloudy leaving Lyndeborough and Mostly Cloudy near Merrimack.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 23.7 miles (38.2 km) and usually takes 00h 36m 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?

Milford is a useful midpoint, sitting about 10.8 miles from Lyndeborough and 12.9 miles from Merrimack.

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

The direct path is about 14.1 miles (22.7 km), while the road route adds roughly 9.6 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 $3.31 one way or $6.63 round trip. Estimated CO2 is about 7.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Lyndeborough and Mostly Cloudy near Merrimack.

Stop Ideas Near Milford

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

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

BUS

Nashua, NH

13 mi away
8 North Southwood Drive
BUS

Manchester, New Hampshire

23 mi away
119 Canal St.
BUS

Concord, New Hampshire

43 mi away
30 Stickney Ave.
RAIL

Haverhill station

46 mi away
Washington Street at Railroad Square

Flight Path Map

This map shows the direct air route between Lyndeborough and Merrimack. Straight-line distance: 14.13 mi (22.74 km).

Lyndeborough

#1 Lyndeborough

City in Hillsborough County, New Hampshire, United States of America

Population1,730
Coordinates42.9075800, -71.7664600
Altitude269
CountryUnited States
Merrimack

#2 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Start: Center Road (-71.766711, 42.907486)
End: (-71.493333, 42.865106)

Estimated Travel Time

Distance: 38 km by road

SpeedTime
30 mph (48.3 km/h)00h 47m
40 mph (64.37 km/h)00h 35m
50 mph (80.47 km/h)00h 28m
60 mph (96.56 km/h)00h 23m
70 mph (112.65 km/h)00h 20m
80 mph (129 km/h)00h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.84 gal
3.17 L · about $3.31
Round trip
$6.63
1.68 gal · 6.34 L
Estimated CO2
7.5 kg one way
Round trip: 14.9 kg / 33 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $3.31 $6.63
Mid-grade $4.46 $3.74 $7.49
Premium $4.86 $4.08 $8.16
Diesel $6.00 $5.04 $10.07

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 19, 2026

There is no time difference between Lyndeborough and Merrimack. The current time is 23:14:25.

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.