How far is Swanzey, NH from Merrimack, NH?
The driving distance from Swanzey, NH to Merrimack, NH is about 53.4 miles (86 km), with a travel time of about 01h 18m by car.
- The straight-line flight distance is about 40 miles (64.3 km).
- For a round trip, plan for roughly 02h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 18m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in New Hampshire
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Swanzey and Merrimack.
Turn-by-Turn Driving Directions
Step-by-step road directions between Swanzey and Merrimack.
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1
Start on Old Homestead Highway
1578 ft · 32 sec · Old Homestead Highway
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2
Enter the roundabout and take exit 1 toward Old Homestead Highway
15 m · 1 sec · Old Homestead Highway
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3
Exit the roundabout onto Old Homestead Highway
2.5 mi · 4 min · Old Homestead Highway
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4
Turn right onto Lake Street
1975 ft · 54 sec · Lake Street
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5
Enter the roundabout and take exit 2 toward Swanzey Factory Road
37 m · 2 sec · Swanzey Factory Road
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6
Exit the roundabout onto Swanzey Factory Road
1.3 km · 2 min · Swanzey Factory Road
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7
At the end of the road, turn right onto Marlboro Street
1.5 mi · 3 min · Marlboro Street
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8
Continue on Main Street
9.9 mi · 19 min · Main Street
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9
Continue on State Route 101
3.5 mi · 6 min · State Route 101
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10
Continue on Peterborough Bypass
1.8 mi · 3 min · Peterborough Bypass
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11
Enter the roundabout and take exit 1 toward Peterborough Bypass
24 m · 2 sec · Peterborough Bypass
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12
Exit the roundabout onto Peterborough Bypass
3157 ft · 1 min · Peterborough Bypass
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13
Continue on Wilton Road
4 mi · 7 min · Wilton Road
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14
Continue on Gibbons Highway
9.3 mi · 15 min · Gibbons Highway
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15
Continue on Elm Street
1.3 mi · 3 min · Elm Street
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16
Turn right onto State Route 101
4.9 mi · 7 min · State Route 101
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17
Take the exit slight right toward NH 101A: Milford, Nashua
2194 ft · 1 min
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18
Keep slight left
68 m · 10 sec
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19
Turn right
4 mi · 8 min
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20
Turn left onto Continental Boulevard
3.9 mi · 8 min · Continental Boulevard
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21
Continue on Greeley Street
1028 ft · 33 sec · Greeley Street
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22
Turn left onto Daniel Webster Highway
1.9 mi · 5 min · Daniel Webster Highway
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23
Turn sharp right onto Loop Road
25 m · 4 sec · Loop Road
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24
Arrive at your destination
0 m · 1 sec · Loop Road
Car Route Details
A richer read on the saved driving route between Swanzey and Merrimack.
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.
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.
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.
Mostly Sunny leaving Swanzey and Mostly Sunny near Merrimack.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Swanzey to Merrimack?
The road trip is about 53.4 miles (86 km) and usually takes 01h 18m 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 25.6 miles from Swanzey and 27.8 miles from Merrimack.
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 13.4 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 3:54 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.46 one way or $14.91 round trip. Estimated CO2 is about 16.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Swanzey and Mostly Sunny near Merrimack.
Stop Ideas Near Temple
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Temple.
Nashua, NH
Manchester, New Hampshire
Concord, New Hampshire
Union Station
Flight Path Map
This map shows the direct air route between Swanzey and Merrimack. Straight-line distance: 39.92 mi (64.25 km).
#1 Swanzey
City in Cheshire County, New Hampshire, United States of America
| Population | 7,271 |
| Coordinates | 42.8698000, -72.2817500 |
| Altitude | 149 |
| Country | United States |
#2 Merrimack
River in New Hampshire and Massachusetts, United States
| Population | 27,452 |
| Coordinates | 42.8650900, -71.4934000 |
| Altitude | 47 |
| Country | United States |
End: (-71.493333, 42.865106)
Estimated Travel Time
Distance: 86 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 46m |
| 40 mph (64.37 km/h) | 01h 20m |
| 50 mph (80.47 km/h) | 01h 04m |
| 60 mph (96.56 km/h) | 00h 53m |
| 70 mph (112.65 km/h) | 00h 45m |
| 80 mph (129 km/h) | 00h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $7.46 | $14.91 |
| Mid-grade | $4.46 | $8.42 | $16.85 |
| Premium | $4.86 | $9.18 | $18.36 |
| Diesel | $6.00 | $11.33 | $22.67 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.