How far is Merrimack, NH from Sandown, NH?
The driving distance from Merrimack, NH to Sandown, NH is about 21.1 miles (34 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 16.1 miles (25.9 km).
- For a round trip, plan for roughly 01h 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 00h 48m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in New Hampshire, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Merrimack and Sandown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimack and Sandown.
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1
Start on Loop Road
25 m · 6 sec · Loop Road
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2
Turn straight onto Daniel Webster Highway
3.8 mi · 8 min · Daniel Webster Highway
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3
Continue on South River Road
641 ft · 12 sec · South River Road
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4
Take the ramp right toward Airport
1104 ft · 27 sec
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5
Merge slight left onto Raymond Wieczorek Drive
2769 ft · 47 sec · Raymond Wieczorek Drive
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6
Turn right onto Pettengill Road
1.1 mi · 3 min · Pettengill Road
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7
Turn right onto Harvey Road
1.1 mi · 2 min · Harvey Road
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8
Continue on High Range Road
1043 ft · 33 sec · High Range Road
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9
Turn left onto Litchfield Road
1.4 mi · 3 min · Litchfield Road
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10
Continue on Stonehenge Road
1.5 mi · 3 min · Stonehenge Road
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11
At the end of the road, turn right onto Rockingham Road
1.2 mi · 2 min · Rockingham Road
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12
Continue on Manchester Road
1.2 km · 2 min · Manchester Road
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13
Turn sharp left onto Tsienneto Road
136 m · 26 sec · Tsienneto Road
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14
Turn right onto Pinkerton Street
1.1 km · 2 min · Pinkerton Street
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15
Turn right onto North Main Street
816 ft · 24 sec · North Main Street
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16
Enter the roundabout and take exit 3 toward Danforth Circle
59 m · 4 sec · East Derry Road
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17
Exit the rotary onto East Derry Road
1.2 mi · 3 min · East Derry Road
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18
Continue on Hampstead Road
3.8 mi · 8 min · Hampstead Road
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19
Continue on Derry Road
141 m · 13 sec · Derry Road
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20
Continue on Depot Road
1.2 mi · 3 min · Depot Road
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21
Turn left onto Hampstead Road
1.9 mi · 5 min · Hampstead Road
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22
Turn left onto Main Street
151 m · 13 sec · Main Street
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23
Turn slight right onto Fremont Road
32 m · 3 sec · Fremont Road
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24
Arrive at your destination
0 m · 1 sec · Fremont Road
Car Route Details
A richer read on the saved driving route between Merrimack and Sandown.
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.
Hampstead Road
Continue on Hampstead Road
3.82 mi · 00h 08m
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 Merrimack and Partly Sunny near Sandown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimack to Sandown?
The road trip is about 21.1 miles (34 km) and usually takes 00h 48m 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?
Derry is a useful midpoint, sitting about 10.6 miles from Merrimack and 10.6 miles from Sandown.
How much longer is the road route than the straight-line distance?
The direct path is about 16.1 miles (25.9 km), while the road route adds roughly 5 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 4:54 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.92 one way or $5.84 round trip. Estimated CO2 is about 6.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Merrimack and Partly Sunny near Sandown.
Stop Ideas Near Derry
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 Derry.
Manchester, New Hampshire
Nashua, NH
Haverhill station
Exeter station
Flight Path Map
This map shows the direct air route between Merrimack and Sandown. Straight-line distance: 16.12 mi (25.94 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 Sandown
Town in New Hampshire
| Population | 6,551 |
| Coordinates | 42.9287000, -71.1870100 |
| Altitude | 69 |
| Country | United States |
End: Sandown (-71.18701, 42.9287)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $2.92 | $5.84 |
| Mid-grade | $4.46 | $3.30 | $6.60 |
| Premium | $4.86 | $3.59 | $7.19 |
| Diesel | $6.00 | $4.44 | $8.88 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.