How far is Northwood, NH from Merrimack, NH?
The driving distance from Northwood, NH to Merrimack, NH is about 35.6 miles (57.3 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 28.6 miles (46 km).
- For a round trip, plan for roughly 01h 38m 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 49m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Northwood and Merrimack.
Turn-by-Turn Driving Directions
Step-by-step road directions between Northwood and Merrimack.
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1
Start on First New Hampshire Turnpike
141 m · 16 sec · First New Hampshire Turnpike
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2
Turn right onto Mountain Avenue
2.7 mi · 4 min · Mountain Avenue
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3
Continue on Mountain View Road
3.2 mi · 5 min · Mountain View Road
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4
At the end of the road, turn left onto North Road
1.6 mi · 3 min · North Road
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5
Turn slight left onto Raymond Road
1.9 mi · 4 min · Raymond Road
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6
Keep slight right to continue on Stage Road
1.3 mi · 3 min · Stage Road
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7
Continue on South Road
1 mi · 2 min · South Road
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8
Turn left onto Old Candia Road
1.1 km · 1 min · Old Candia Road
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9
Continue on Deerfield Road
2 mi · 4 min · Deerfield Road
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10
Continue on Main Street
1235 ft · 32 sec · Main Street
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11
Turn straight onto Old Candia Road
1.6 mi · 3 min · Old Candia Road
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12
Take the ramp left
530 ft · 17 sec
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13
Keep slight right
2065 ft · 50 sec
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14
Merge slight left
7.7 mi · 9 min
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15
Keep slight right to continue on I 293 North, NH 101 West: Manchester Airport, Manchester, Bedford
3.3 mi · 4 min
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16
Keep slight left to continue on NH 101 West: Bedford, Nashua
2871 ft · 45 sec
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17
Take the exit slight right toward Everett Turnpike South: Merrimack, Nashua, Manchester Airport
1840 ft · 44 sec
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18
Merge slight left onto Everett Turnpike
1.9 mi · 3 min · Everett Turnpike
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19
Take the exit slight right toward Airport
1.3 km · 1 min
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20
Keep slight right to continue on Merrimack
1425 ft · 38 sec
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21
Turn right onto South River Road
704 ft · 13 sec · South River Road
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22
Continue on Daniel Webster Highway
3.8 mi · 8 min · Daniel Webster Highway
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23
Turn slight left 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 Northwood 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.
Old Candia Road
Merge slight left
7.74 mi · 00h 09m
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.
Sunny leaving Northwood and Clear near Merrimack.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Northwood to Merrimack?
The road trip is about 35.6 miles (57.3 km) and usually takes 00h 49m 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?
Auburn is a useful midpoint, sitting about 17.8 miles from Northwood and 17.8 miles from Merrimack.
How much longer is the road route than the straight-line distance?
The direct path is about 28.6 miles (46 km), while the road route adds roughly 7 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 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.97 one way or $9.94 round trip. Estimated CO2 is about 11.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Northwood and Clear near Merrimack.
Stop Ideas Near Auburn
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 Auburn.
Manchester, New Hampshire
Nashua, NH
Concord, New Hampshire
Exeter station
Flight Path Map
This map shows the direct air route between Northwood and Merrimack. Straight-line distance: 28.58 mi (45.99 km).
#1 Northwood
Place in New Hampshire, United States
| Population | 4,323 |
| Coordinates | 43.1942500, -71.1509000 |
| Altitude | 170 |
| 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: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 11m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $4.97 | $9.94 |
| Mid-grade | $4.46 | $5.62 | $11.23 |
| Premium | $4.86 | $6.12 | $12.24 |
| Diesel | $6.00 | $7.56 | $15.11 |
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 · Jun 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.