How far is Merrimack, NH from Swanzey, NH?

The driving distance from Merrimack, NH to Swanzey, NH is about 51.4 miles (82.7 km), with a travel time of about 01h 33m by car.

  • The straight-line flight distance is about 40 miles (64.3 km).
  • For a round trip, plan for roughly 03h 06m 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
51.39 mi
01h 33m
Flight
39.92 mi
64.25 km direct

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

Learn Distance

Choose another destination from Merrimack.

Flight Distance

Direct air line
39.92 mi
Kilometers
64.25 km
Flight Time
00h 04m

Driving Distance

Road route
51.39 mi
Kilometers
82.71 km
Drive Time
01h 33m

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 33m.

Arrival Snapshot
Arrive in Swanzey
Sat, May 2, 4:12 PM EDT
Return by in Merrimack
Sat, May 2, 5:45 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Merrimack
2026-05-02T14:39
Arrive Swanzey
Sat, May 2, 4:12 PM EDT
Route Timing
01h 33m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:33 AM to 11:33 AM EDT

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

Leave by
3:24 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Merrimack
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
Temple
NH

Town in New Hampshire

From Merrimack
25.7 mi
00h 46m
To Swanzey
25.7 mi
00h 46m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
57°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM EDT
Wind
5 to 10 mph W
Destination
53°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM EDT
Wind
5 to 10 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    3.8 mi · 8 min · Continental Boulevard

  5. 5

    Turn right onto Milford Road

    4.3 mi · 8 min · Milford Road

  6. 6

    Turn left

    1544 ft · 43 sec

  7. 7

    Merge slight left

    4.8 mi · 7 min

  8. 8

    Turn left onto Elm Street

    1.4 mi · 3 min · Elm Street

  9. 9

    Continue on Gibbons Highway

    9.3 mi · 15 min · Gibbons Highway

  10. 10

    Continue on Wilton Road

    4 mi · 7 min · Wilton Road

  11. 11

    Continue on State Route 101

    54 m · 5 sec · State Route 101

  12. 12

    Merge slight left onto Peterborough Bypass

    2980 ft · 1 min · Peterborough Bypass

  13. 13

    Enter the roundabout and take exit 1 toward Peterborough Bypass

    28 m · 2 sec · Peterborough Bypass

  14. 14

    Exit the roundabout onto Peterborough Bypass

    1.8 mi · 3 min · Peterborough Bypass

  15. 15

    Continue on State Route 101

    3.5 mi · 6 min · State Route 101

  16. 16

    Continue on Main Street

    9.9 mi · 19 min · Main Street

  17. 17

    Continue on Marlboro Street

    1.5 mi · 3 min · Marlboro Street

  18. 18

    Turn left onto Swanzey Factory Road

    1.3 km · 2 min · Swanzey Factory Road

  19. 19

    Enter the roundabout and take exit 2 toward Lake Street

    33 m · 1 sec · Lake Street

  20. 20

    Exit the roundabout onto Lake Street

    1980 ft · 55 sec · Lake Street

  21. 21

    Turn left onto Old Homestead Highway

    2.5 mi · 4 min · Old Homestead Highway

  22. 22

    Enter the roundabout and take exit 2 toward Old Homestead Highway

    53 m · 4 sec · Old Homestead Highway

  23. 23

    Exit the roundabout onto Old Homestead Highway

    1572 ft · 31 sec · Old Homestead Highway

  24. 24

    Arrive at your destination

    0 m · 1 sec · Old Homestead Highway

Car Route Details

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

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
24 steps
13 turns on the saved route
Ramps & Exits
8
2 merges, 6 ramps or exits
Navigation Density
46.7 / 100 mi
Decision points by distance
Main Roads
Main Street
9.89 mi · 19%
Gibbons Highway
9.33 mi · 18%
Milford Road
9.17 mi · 18%
Wilton Road
4 mi · 8%
Continental Boulevard
3.84 mi · 7%
State Route 101
3.52 mi · 7%
Longest Stretch

Main Street

Continue on Main Street

9.89 mi · 00h 19m

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 33m
Day trip friendly
Same-Day Return
03h 06m
Round-trip wheel time
Road vs Air
+11.4 mi
40 mi direct line
Halfway Stop
Temple
00h 46m from Merrimack
Leave By
3:24 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Merrimack and Mostly Sunny near Swanzey.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 51.4 miles (82.7 km) and usually takes 01h 33m 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?

Temple is a useful midpoint, sitting about 25.7 miles from Merrimack and 25.7 miles from Swanzey.

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

The direct path is about 40 miles (64.3 km), while the road route adds roughly 11.4 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 3:24 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.14 one way or $14.28 round trip. Estimated CO2 is about 16.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Merrimack and Mostly Sunny near Swanzey.

Stop Ideas Near Temple

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

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

BUS

Nashua, NH

29 mi away
8 North Southwood Drive
BUS

Manchester, New Hampshire

37 mi away
119 Canal St.
BUS

Concord, New Hampshire

51 mi away
30 Stickney Ave.
RAIL

Union Station

57 mi away
10 Vernon Rd

Flight Path Map

This map shows the direct air route between Merrimack and Swanzey. Straight-line distance: 39.92 mi (64.25 km).

Merrimack

#1 Merrimack

River in New Hampshire and Massachusetts, United States

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

#2 Swanzey

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

Population7,271
Coordinates42.8698000, -72.2817500
Altitude149
CountryUnited States
Start: Merrimack (-71.4934, 42.86509)
End: Swanzey (-72.28175, 42.8698)

Estimated Travel Time

Distance: 83 km by road

SpeedTime
30 mph (48.3 km/h)01h 42m
40 mph (64.37 km/h)01h 17m
50 mph (80.47 km/h)01h 01m
60 mph (96.56 km/h)00h 51m
70 mph (112.65 km/h)00h 44m
80 mph (129 km/h)00h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.81 gal
6.86 L · about $7.14
Round trip
$14.28
3.62 gal · 13.72 L
Estimated CO2
16.1 kg one way
Round trip: 32.2 kg / 71 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $7.14 $14.28
Mid-grade $4.46 $8.07 $16.13
Premium $4.86 $8.79 $17.59
Diesel $6.00 $10.85 $21.71

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 02, 2026

There is no time difference between Merrimack and Swanzey. The current time is 14:39:24.

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.