How far is Winchester, NH from Merrimack, NH?

The driving distance from Winchester, NH to Merrimack, NH is about 62.1 miles (100 km), with a travel time of about 01h 26m by car.

  • The straight-line flight distance is about 45.5 miles (73.3 km).
  • For a round trip, plan for roughly 02h 53m 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
62.12 mi
01h 26m
Flight
45.53 mi
73.28 km direct

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

Learn Distance

Choose another destination from Winchester.

Flight Distance

Direct air line
45.53 mi
Kilometers
73.28 km
Flight Time
00h 05m

Driving Distance

Road route
62.12 mi
Kilometers
99.98 km
Drive Time
01h 26m

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 26m.

Arrival Snapshot
Arrive in Merrimack
Wed, Apr 22, 10:54 PM EDT
Return by in Winchester
Thu, Apr 23, 12:21 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Winchester
2026-04-22T21:28
Arrive Merrimack
Wed, Apr 22, 10:54 PM EDT
Route Timing
01h 26m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:27 AM to 11:27 AM EDT

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

Leave by
3:36 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Winchester
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
Peterborough
NH

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

From Winchester
30.7 mi
00h 43m
To Merrimack
31.4 mi
00h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Wednesday

Slight Chance Rain Showers then Mostly Cloudy

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph SW
Destination
50°F
Wednesday

Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM EDT
Wind
0 to 5 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Richmond Road

    14 m · 5 sec · Richmond Road

  2. 2

    Turn right onto Keene Road

    11 mi · 16 min · Keene Road

  3. 3

    Continue on Winchester Street

    1.3 km · 2 min · Winchester Street

  4. 4

    Enter the roundabout and take exit 1 toward State Route 101

    11 m · 1 sec · State Route 101

  5. 5

    Exit the roundabout onto State Route 101

    2 mi · 4 min · State Route 101

  6. 6

    Continue on Marlboro Street

    1.8 mi · 3 min · Marlboro Street

  7. 7

    Continue on Main Street

    9.9 mi · 19 min · Main Street

  8. 8

    Continue on State Route 101

    3.5 mi · 6 min · State Route 101

  9. 9

    Continue on Peterborough Bypass

    1.8 mi · 3 min · Peterborough Bypass

  10. 10

    Enter the roundabout and take exit 1 toward Peterborough Bypass

    24 m · 2 sec · Peterborough Bypass

  11. 11

    Exit the roundabout onto Peterborough Bypass

    3157 ft · 1 min · Peterborough Bypass

  12. 12

    Continue on Wilton Road

    4 mi · 7 min · Wilton Road

  13. 13

    Continue on Gibbons Highway

    9.3 mi · 15 min · Gibbons Highway

  14. 14

    Continue on Elm Street

    1.3 mi · 3 min · Elm Street

  15. 15

    Turn right onto State Route 101

    4.9 mi · 7 min · State Route 101

  16. 16

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

    2194 ft · 1 min

  17. 17

    Keep slight left

    68 m · 10 sec

  18. 18

    Turn right

    4 mi · 8 min

  19. 19

    Turn left onto Continental Boulevard

    3.9 mi · 8 min · Continental Boulevard

  20. 20

    Continue on Greeley Street

    1028 ft · 33 sec · Greeley Street

  21. 21

    Turn left onto Daniel Webster Highway

    1.9 mi · 5 min · Daniel Webster Highway

  22. 22

    Turn sharp right onto Loop Road

    25 m · 4 sec · Loop Road

  23. 23

    Arrive at your destination

    0 m · 1 sec · Loop Road

Car Route Details

A richer read on the saved driving route between Winchester 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
23 steps
10 turns on the saved route
Ramps & Exits
5
0 merges, 5 ramps or exits
Navigation Density
37 / 100 mi
Decision points by distance
Main Roads
Keene Road
11 mi · 18%
State Route 101
10.4 mi · 17%
Main Street
9.89 mi · 16%
Gibbons Highway
9.33 mi · 15%
Wilton Road
4 mi · 6%
Continental Boulevard
3.88 mi · 6%
Longest Stretch

Keene Road

Turn right onto Keene Road

11 mi · 00h 16m

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 26m
Day trip friendly
Same-Day Return
02h 54m
Round-trip wheel time
Road vs Air
+16.6 mi
45.5 mi direct line
Halfway Stop
Peterborough
00h 43m from Winchester
Leave By
3:36 PM EDT
Morning start is best
Weather Watch

Slight Chance Rain Showers then Mostly Cloudy leaving Winchester and Slight Chance Rain Showers near Merrimack.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 62.1 miles (100 km) and usually takes 01h 26m 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?

Peterborough is a useful midpoint, sitting about 30.7 miles from Winchester and 31.4 miles from Merrimack.

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

The direct path is about 45.5 miles (73.3 km), while the road route adds roughly 16.6 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 3:36 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.64 one way or $17.28 round trip. Estimated CO2 is about 19.5 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers then Mostly Cloudy around Winchester and Slight Chance Rain Showers near Merrimack.

Stop Ideas Near Peterborough

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

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

BUS

Nashua, NH

38 mi away
8 North Southwood Drive
BUS

Manchester, New Hampshire

42 mi away
119 Canal St.
RAIL

Union Station

49 mi away
10 Vernon Rd
RAIL

Bellows Falls station

50 mi away
54 Depot St

Flight Path Map

This map shows the direct air route between Winchester and Merrimack. Straight-line distance: 45.53 mi (73.28 km).

Winchester

#1 Winchester

Town in Cheshire County, New Hampshire, United States

Population4,217
Coordinates42.7734200, -72.3831400
Altitude135
CountryUnited States
Merrimack

#2 Merrimack

River in New Hampshire and Massachusetts, United States

Population27,452
Coordinates42.8650900, -71.4934000
Altitude47
CountryUnited States
Start: Richmond Street (-72.383216, 42.773345)
End: (-71.493333, 42.865106)

Estimated Travel Time

Distance: 100 km by road

SpeedTime
30 mph (48.3 km/h)02h 04m
40 mph (64.37 km/h)01h 33m
50 mph (80.47 km/h)01h 14m
60 mph (96.56 km/h)01h 02m
70 mph (112.65 km/h)00h 53m
80 mph (129 km/h)00h 46m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.19 gal
8.3 L · about $8.64
Round trip
$17.28
4.38 gal · 16.6 L
Estimated CO2
19.5 kg one way
Round trip: 38.9 kg / 86 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $8.64 $17.28
Mid-grade $4.46 $9.76 $19.52
Premium $4.86 $10.64 $21.28
Diesel $6.00 $13.13 $26.27

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 23, 2026

There is no time difference between Winchester and Merrimack. The current time is 21:28:08.

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.