How far is New London, NH from Merrimack, NH?

The driving distance from New London, NH to Merrimack, NH is about 57.9 miles (93.2 km), with a travel time of about 01h 01m by car.

  • The straight-line flight distance is about 45.3 miles (72.9 km).
  • For a round trip, plan for roughly 02h 02m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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
57.93 mi
01h 01m
Flight
45.3 mi
72.91 km direct

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

Learn Distance

Choose another destination from New London.

Flight Distance

Direct air line
45.3 mi
Kilometers
72.91 km
Flight Time
00h 05m

Driving Distance

Road route
57.93 mi
Kilometers
93.23 km
Drive Time
01h 01m

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 01m.

Arrival Snapshot
Arrive in Merrimack
Tue, May 12, 7:32 PM EDT
Return by in New London
Tue, May 12, 8:34 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave New London
2026-05-12T18:31
Arrive Merrimack
Tue, May 12, 7:32 PM EDT
Route Timing
01h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:01 AM to 11:01 AM EDT

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

Leave by
4:28 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in New London
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
Hopkinton
NH

Town in Merrimack County, New Hampshire

From New London
29 mi
00h 30m
To Merrimack
29 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Tuesday

Areas Of Frost then Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 mph NW
Destination
61°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 to 10 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between New London and Merrimack.

  1. 1

    Start on South Pleasant Street

    47 m · 9 sec · South Pleasant Street

  2. 2

    Turn right onto Main Street

    1.6 mi · 4 min · Main Street

  3. 3

    Turn right onto State Route 11

    2025 ft · 26 sec · State Route 11

  4. 4

    Continue on King Hill Road

    1.5 km · 1 min · King Hill Road

  5. 5

    Take the exit left

    1102 ft · 27 sec

  6. 6

    Merge slight left

    31 mi · 36 min

  7. 7

    Take the exit slight right toward I 93 South Toll: Manchester, Boston

    1 km · 1 min

  8. 8

    Merge slight right onto Everett Turnpike

    5.7 mi · 7 min · Everett Turnpike

  9. 9

    Keep slight left to continue on Everett Turnpike

    2 mi · 2 min · Everett Turnpike

  10. 10

    Keep slight left to continue on Everett Turnpike

    8.2 mi · 11 min · Everett Turnpike

  11. 11

    Keep slight left to continue on Everett Turnpike

    2.4 mi · 3 min · Everett Turnpike

  12. 12

    Take the exit slight right toward Airport

    1.3 km · 1 min

  13. 13

    Keep slight right to continue on Merrimack

    1425 ft · 38 sec

  14. 14

    Turn right onto South River Road

    704 ft · 13 sec · South River Road

  15. 15

    Continue on Daniel Webster Highway

    3.8 mi · 8 min · Daniel Webster Highway

  16. 16

    Turn slight left onto Loop Road

    25 m · 4 sec · Loop Road

  17. 17

    Arrive at your destination

    0 m · 1 sec · Loop Road

Car Route Details

A richer read on the saved driving route between New London 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
17 steps
8 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
29.4 / 100 mi
Decision points by distance
Main Roads
King Hill Road
32.1 mi · 55%
Everett Turnpike
18.2 mi · 31%
Daniel Webster Highway
3.75 mi · 6%
Main Street
1.6 mi · 3%
Airport
1.09 mi · 2%
I 93 South Toll
0.63 mi · 1%
Longest Stretch

King Hill Road

Merge slight left

31 mi · 00h 36m

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
01h 01m
Day trip friendly
Same-Day Return
02h 02m
Round-trip wheel time
Road vs Air
+12.6 mi
45.3 mi direct line
Halfway Stop
Hopkinton
00h 30m from New London
Leave By
4:28 PM EDT
Morning start is best
Weather Watch

Areas Of Frost then Sunny leaving New London and Sunny near Merrimack.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from New London to Merrimack?

The road trip is about 57.9 miles (93.2 km) and usually takes 01h 01m 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?

Hopkinton is a useful midpoint, sitting about 29 miles from New London and 29 miles from Merrimack.

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

The direct path is about 45.3 miles (72.9 km), while the road route adds roughly 12.6 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.05 one way or $16.10 round trip. Estimated CO2 is about 18.1 kg one way.

What should you check before leaving?

Before you leave, expect Areas Of Frost then Sunny around New London and Sunny near Merrimack.

Stop Ideas Near Hopkinton

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

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

BUS

Concord, New Hampshire

12 mi away
30 Stickney Ave.
BUS

Manchester, New Hampshire

28 mi away
119 Canal St.
BUS

Tilton, New Hampshire

30 mi away
I-93 and US hwy 3
BUS

Nashua, NH

47 mi away
8 North Southwood Drive

Flight Path Map

This map shows the direct air route between New London and Merrimack. Straight-line distance: 45.3 mi (72.91 km).

New London

#1 New London

Town in Merrimack County, New Hampshire, United States

Population4,268
Coordinates43.4139600, -71.9850800
Altitude392
CountryUnited States
Merrimack

#2 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Start: South Pleasant Street (-71.985129, 43.413984)
End: (-71.493333, 42.865106)

Estimated Travel Time

Distance: 93 km by road

SpeedTime
30 mph (48.3 km/h)01h 55m
40 mph (64.37 km/h)01h 26m
50 mph (80.47 km/h)01h 09m
60 mph (96.56 km/h)00h 57m
70 mph (112.65 km/h)00h 49m
80 mph (129 km/h)00h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.04 gal
7.74 L · about $8.05
Round trip
$16.10
4.08 gal · 15.48 L
Estimated CO2
18.1 kg one way
Round trip: 36.3 kg / 80 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $8.05 $16.10
Mid-grade $4.46 $9.09 $18.18
Premium $4.86 $9.91 $19.82
Diesel $6.00 $12.23 $24.47

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 · May 12, 2026

There is no time difference between New London and Merrimack. The current time is 18:31:15.

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.