How far is Merrimack, NH from Walpole, NH?
The driving distance from Merrimack, NH to Walpole, NH is about 67.2 miles (108.1 km), with a travel time of about 01h 52m by car.
- The straight-line flight distance is about 49.4 miles (79.5 km).
- For a round trip, plan for roughly 03h 45m 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 52m.
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 Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Merrimack and Walpole.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack and Walpole.
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1
Start on Loop Road
938 ft · 46 sec · Loop Road
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2
At the end of the road, turn left onto Daniel Webster Highway
1.7 mi · 4 min · Daniel Webster Highway
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3
Turn right onto Greeley Street
1118 ft · 28 sec · Greeley Street
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4
Continue on Continental Boulevard
3.8 mi · 8 min · Continental Boulevard
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5
Turn right onto Milford Road
4.3 mi · 8 min · Milford Road
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6
Turn left
1544 ft · 43 sec
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7
Merge slight left
4.8 mi · 7 min
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8
Turn left onto Elm Street
1.4 mi · 3 min · Elm Street
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9
Continue on Gibbons Highway
9.3 mi · 15 min · Gibbons Highway
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10
Continue on Wilton Road
4 mi · 7 min · Wilton Road
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11
Continue on State Route 101
54 m · 5 sec · State Route 101
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12
Merge slight left onto Peterborough Bypass
2980 ft · 1 min · Peterborough Bypass
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13
Enter the roundabout and take exit 1 toward Peterborough Bypass
28 m · 2 sec · Peterborough Bypass
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14
Exit the roundabout onto Peterborough Bypass
1.8 mi · 3 min · Peterborough Bypass
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15
Continue on State Route 101
3.5 mi · 6 min · State Route 101
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16
Continue on Main Street
9.9 mi · 19 min · Main Street
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17
Continue on Marlboro Street
1.8 mi · 3 min · Marlboro Street
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18
Continue on State Route 101
2 mi · 4 min · State Route 101
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19
Enter the roundabout and take exit 2 toward State Route 10
57 m · 2 sec · State Route 10
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20
Exit the roundabout onto State Route 10
2148 ft · 43 sec · State Route 10
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21
Turn right onto Route 9
1.3 mi · 2 min · Route 9
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22
Keep slight left
15 mi · 17 min
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23
Turn right onto South Street
1807 ft · 1 min · South Street
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24
Turn left onto Elm Street
541 ft · 24 sec · Elm Street
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25
Turn slight right onto Washington Street
75 m · 11 sec · Washington Street
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26
Turn right onto Middle Street
528 ft · 28 sec · Middle Street
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27
Turn left onto Main Street
606 ft · 21 sec · Main Street
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28
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between Merrimack and Walpole.
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.
Route 9
Keep slight left
15 mi · 00h 17m
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 Cloudy leaving Merrimack and Mostly Cloudy near Walpole.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimack to Walpole?
The road trip is about 67.2 miles (108.1 km) and usually takes 01h 52m 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?
Dublin is a useful midpoint, sitting about 33.6 miles from Merrimack and 33.6 miles from Walpole.
How much longer is the road route than the straight-line distance?
The direct path is about 49.4 miles (79.5 km), while the road route adds roughly 17.8 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 2:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.35 one way or $18.70 round trip. Estimated CO2 is about 21.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Merrimack and Mostly Cloudy near Walpole.
Stop Ideas Near Dublin
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 Dublin.
Union Station
Bellows Falls station
Nashua, NH
Manchester, New Hampshire
Flight Path Map
This map shows the direct air route between Merrimack and Walpole. Straight-line distance: 49.42 mi (79.53 km).
#1 Merrimack
River in New Hampshire and Massachusetts, United States
| Population | 27,452 |
| Coordinates | 42.8650900, -71.4934000 |
| Altitude | 47 |
| Country | United States |
#2 Walpole
Town in New Hampshire, United States
| Population | 4,032 |
| Coordinates | 43.0795200, -72.4259200 |
| Altitude | 122 |
| Country | United States |
End: Walpole (-72.42592, 43.07952)
Estimated Travel Time
Distance: 108 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 14m |
| 40 mph (64.37 km/h) | 01h 40m |
| 50 mph (80.47 km/h) | 01h 20m |
| 60 mph (96.56 km/h) | 01h 07m |
| 70 mph (112.65 km/h) | 00h 57m |
| 80 mph (129 km/h) | 00h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $9.35 | $18.70 |
| Mid-grade | $4.46 | $10.56 | $21.13 |
| Premium | $4.86 | $11.51 | $23.03 |
| Diesel | $6.00 | $14.21 | $28.43 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.